What to do if you happened to have some kind of incomprehensible action on the computer

What to do if you happened to have some kind of incomprehensible action on the computer

Accidentally did something on the computer? Save a piece of text or deleted the file? Do not despair! The computer is a smart system in which it is possible to cancel the last action. And now on the fingers.

You printed 4 paragraph of poem.
You printed 4 paragraph of poem.

How suddenly they randomly erased half of the text:

The text was erased by chance.
The text was erased by chance.

What to do? Do not panic. Press the CTRL + Z keys combination or "Edit -> Cancel". And the text will appear again:

Pressing the combination of Ctrl + Z returned the lost text to the place.
Pressing the combination of Ctrl + Z returned the lost text to the place.

What should I do if a file has been deleted? Same. Click Ctrl + Z and the file from the basket "arrive" back to the place from where it was removed. It should be remembered that if you deleted the file bypassing the basket, it will be impossible to restore it with standard tools.

What to do if you happened to have some kind of incomprehensible action on the computer

And what if you still do not need this text or file? You need to press Ctrl + Y and the previous action will repeat (i mean deleting text or file). Important: You should know that if you rebooted the computer or saved and closed the file, then it may not be possible to cancel action (not all programs support it).

Read more: List of most important hot keys to simplify computer work

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Sections for working with key combinations:

  1. The main combinations of keys on the keyboard
  2. Hot General Keys
  3. Key combinations intended to work with text
  4. Key combinations for working with files
  5. Combinations of keys to work in the conductor
  6. Combinations of keys to work with windows
  7. Combinations of keys to work with dialog boxes
  8. Combinations of keys for work in browsers (Internet Explorer, Google Chrome, Mozilla)
  9. Special abilities

The main combinations of keys on the keyboard

Alt + Tab - switch between Win + Tab windows - switch between windows in FLIP 3D Win + Up - Expand Window + Down - Restore / Minimize Win + Left Window - Attach the window to the left edge of the Win + Right screen - attach the window to the right edge Win + Shift + Left screen - switch to the left monitor Win + SHIFT + RIGHT - switch to the right monitor Win + Home - minimize / restore all inactive windows Win + Break (or Pause) - start the element system from the control panel (properties when pressing Right-click on the computer in the Start menu) Win + Space - Show Desktop Win + B - Go to the notification area (tray) Win + D - Collapse Windows or restore all Win + E windows - Run Explorer (Explorer) Win + F - Start the built-in Windows Win + Ctrl + F search dialog - Run the search on a computer from the Win + F1 domain - run the built-in Windows dialog: Help and support Win + G - Display gadgets over all Win + L windows - blocking the workstation (current user session I) Win + M - minimize all Win + P windows - display additional display options (extend the desktop on 2 monitor, etc.) Win + R - Run the Run Win + T dialog box - select the first element in the taskbar (re- Pressing switches to the next element, Win + SHIFT + T - scrolls in the reverse order) Win + U - start the center of special features (Ease of Access Center) Win + X - Run Mobility Center Win + digit- Run the application from the taskbar (Win + 1 launches first applications on the left, Win + 2, second, and because) Win + "+" - to increase the scale of Win + "-" - reduce the scale of Ctrl + mouse wheel (up \ down) on the desktop - increase \ reduce Desktop icons.

In Explorer: Alt + P - Show / Hide Preview Area

Taskbar: Shift + Click on Icon - Open New Ctrl + SHIFT application window Click on the icon - open a new application window with SHIFT + administrator privileges right-click on the icon - show the Shift + application menu right-click on the icon group - Show menu , restore everything / turn everything / close all Ctrl + click on the ICNONON group - Expand all group windows

Win notes are located between the Ctrl and Alt keys on the left side (the Windows emblem is drawn). The Menu emblem is on the left of the right Ctrl. Keyful "key" + "key" means that you first need to press the first key, and then keeping it, second.

Hot General Keys

Combination & nbspklivish Description
Ctrl + Escwin. Open the Start menu (Start)
Ctrl + SHIFT + ESCCTRL + ALT + DELETE Call "Task Manager"
Win + E. Run "Explore" (Explore)
Win + R. Display the "Starting Program" dialog (RUN), analog "Start" - "Run"
Win + D. Collapse all windows or return to the source state (switch)
Win + L. Blocking a workstation
Win + F1. Calling Windows help
Win + Pause Calling the System Properties window (System Properties)
Win + F. Open File Search Window
Win + CTRL + F Open Computer Search Window
Printscreen. Make the screenshot of the entire screen
Alt + Printscreen Make a screenshot of the current active window
Win + Tabwin + Shift + Tab Performs switching between buttons on the taskbar
F6Tab. Move between panels. For example, between the desk and the "Quick Run" panel
Ctrl + A. Allocate all (objects, text)
Ctrl + CCTRL + INSERT Copy to clipboard (objects, text)
Ctrl + XShift + Delete Cut into clipboard (objects, text)
Ctrl + VSHIFT + INSERT Insert from the clipboard (objects, text)
Ctrl + N. Create a new document, project or similar action. In Internet Explorer, this leads to the opening of a new window with a copy of the contents of the current window.
Ctrl + S. Save current document, project, etc.
Ctrl + O. Call the file selection dialog for opening a document, project, etc.
Ctrl + P. Print
Ctrl + Z. Cancel last action
Shift. CD-ROM autorun lock (Hold down the drive reads just inserted disc)
Alt + Enter. Switch to full screen mode and back (switch; for example, in Windows Media Player or in the command interpreter window).

Key combinations intended to work with text

Keyboard shortcut Description
Ctrl + A. Select all
Ctrl + CCTRL + INSERT Copy
Ctrl + XShift + Delete Cut
Ctrl + VSHIFT + INSERT Insert
Ctrl + ← Ctrl + → Transition according to words in the text. Works not only in text editors. For example, it is very convenient to use in the address bar of the browser
Shift + ← Shift + → SHIFT + SHIFT + ↓ Text selection
Ctrl + SHIFT + ← Ctrl + Shift + → Selection of text according to
HomeEndCTRL + HOMECTRL + END Moving to the beginning of the end of the text string
Ctrl + Homectrl + End Moving to the beginning of the end of the document

Key combinations for working with files

Keyboard shortcut Description
SHIFT + F10Menu. Displays the context menu of the current object (similarly by pressing the right mouse button).
Alt + Enter. Call "object properties"
F2. Rename object
Dragging with Ctrl. Copying an object
Dragging with Shift. Move object
Dragging with Ctrl + Shift Creating a label object
Clicks with Ctrl Selecting multiple objects in random order
Clicks with shift Selection of several adjacent objects
ENTER The same as double-clicking on the object
Delete. Removal object
SHIFT + DELETE. Irrevocable removal of an object without placing it in the basket

Key combinations to work in Windows Explorer

Keyboard shortcut Description
F3 or Ctrl + F Display or hide the search bar in the explorer (switch).
← → + (on the numeric keypad) - (on the numeric keypad) Navigating the conductor tree, sweeter-expandment of nested directories.
* (asterisk) on a numeric keypad Displays all folders inserted into the selected folder
F5 Refresh the Explorer window or Internet Explorer.
Backspace. Go to level up in the Explorer or Internet Explorer window.
F4. Go to the targeted conductor or Internet Explorer.

Combinations of keys to work with windows

Keyboard shortcut Description
Alt + Tabalt + Shift + Tab Calling the transition menu between windows and transition to it
ALT + ESC ALT + SHIFT + ESC The transition between the windows (in the order in which they were launched)
Alt + F6. Switching between multiple windows of one program (for example, between open windows Winword)
Alt + F4. Closing the active window (running application). On the desktop - call the Windows termination dialog
Ctrl + F4. Closing an active document in programs that make the simultaneous opening of several documents
AltF10. Calling the window menu
Alt + - (minus) Calling the subsidiary menu (for example, document windows)
ESC Exit the window menu or close an open dialog
Alt + letter Calling the menu command or open the menu column. The corresponding letters in the menu are usually underlined (or initially, or become emphasized after pressing ALT). If the menu column is already open, then to call the desired command, you must press the key with the letter that is underlined in this command.
Alt + Space Calling the window menu window
F1 Calling application help.
Ctrl + Upctrl + Down Vertical scrolling text or go up and down to text paragraphs.

Combinations of keys to work with dialog boxes

Keyboard shortcut Description
Ctrl + Tab. Move forward by tabs
Ctrl + Shift + Tab Move back on tabs
Tab. Move forward by options
Alt + underlined letter Perform the appropriate command or selection of the appropriate option
ENTER Executing a command for the current option or button
Keys with arrows Select a button if the active option is included in the switch group
Shift + Tab. Move back on options
Shift + Tab. Move back on options

Combinations of keys to work in browsers (Internet Explorer, Google Chrome, Mozilla Firefox)

Keyboard shortcut Description
F4. Displays the list of field "Address"
Ctrl + N F5 Run another scruming instance with a similar web address
Ctrl + R. Updating current web page
Ctrl + B. Opens the Sort Favorites dialog box
Ctrl + E. Opens the Search panel
Ctrl + F. Running a search service program
Ctrl + I. Opens the "Favorites" panel
Ctrl + L. Opens the Open dialog box
Ctrl + O. Opens the "Open" dialog box, like the action Ctrl + L
Ctrl + P. Opens the Print dialog box
Ctrl + W. Closing the current window
F11 The transition to full screen mode and back (works in some other applications).

Special abilities

  • Press the SHIFT key five times: Enable and disable keypads
  • Hold the right right SHIFT key eight seconds: Enable and disable input filtering
  • Hold down the Num Lock key for five seconds: Enable and disable switching voice
  • Alt left + shift left + Num Lock: Enable and disable keyboard control
  • Alt on the left + shift left + Print Screen: Enable and disable high contrast

6. We are looking for programs that were launched into your absence.

In the latest versions of the Windows operating system (if I'm not mistaken, starting from 7 or even with Vista) among the file attributes there is a "opening date" field. Accordingly, it means when the user made a double click on it and launched it.

To do this, we need to find all programs. We start the conductor and go to the folder "C: \ Program Files \", in the upper right corner in the search box, enter the search query "* .exe" and press ENTER.

The list will begin to appear executable files that are in this folder.

We need to switch to "Table" on the View tab. Then click on the header of any column with the right mouse button and in the menu that appears select "More ...".

In the small window that appears, we are looking for the "Date of Access", we install a tick and click OK opposite it.

It remains to click on the "Access Date" column and find the time period of interest when the alleged unknown did something on the computer.

If you use a 64-bit version of Windows, then you will have another folder - "C: \ Program Files (x86) \". With it you need to do the same.

Also, do not forget about the folder with the games if they are installed elsewhere (for example, on another disk). So you should do the same actions. Well, of course, if you have some more installed programs, you should look there too.

Note! If you start any applications from the moment of turning on the computer, the previous start data will be deleted. If an unknown triggered the same applications that you started after it, then in the properties of the file of these applications there will be the date of your launch. The date of the previous launch will not know in this case.

7. We analyze log files

Windows logs contain quite a lot of user information, the operation of the operating system and errors in the application and the system kernels. That's where we will look first.

Open the Control Panel, find the Administration (Administrative Tools) item and select Computer Management (COMPUTER MANAGEMENT).

Here you will see "View Events" (Event Viewer) in the left navigation panel. Here at this menu item and are "Windows magazines". There are several: app, security, installation, system.

Security Journal

We are now most interested in the security magazine. It necessarily contains information about the login of all users. Find your last output from the system. And all the records of the magazine that will be located between your last yield and today's entrance are traces of the activities of another person.

Application log

We now turn to the application magazine. It is also very important for our little investigation. This magazine contains information about applications that have been launched in our absence. To confirm the fact that you do not start these applications, focus on the event time.

So, analyzing the two of these magazines, you definitely define not only the entry fact of the entrance under your name in your absence, but also define the applications that you launched this unknown.

Cancel last action

To cancel the last action, press the Ctrl + Z keys.

You can also click the button. Cancel On the shortcut panel. If you need to cancel several actions, you can click the "Cancel" button (or the Ctrl + Z keys) several times.

Cancel button on the quick access panel

Some actions you will not be able to cancel, for example, select commands on the tab File or saving a file. If you can not cancel the action, the team Cancel Changing on Cannot be canceled .

To cancel multiple actions at the same time, press the arrow next to the button Cancel "Cancel" buttonHighlight in the Actions list and click List.


To repeat the canceled action, press the Ctrl + Y or F4 keys. (If F4 does not work, try pressing the F-LOCK or Fn key, and then F4).

If you prefer to work with the mouse, on the quick access panel, press the button. Return . (Button Return Appears only after canceling the action.)

Return button on the quick access panel

Repeat action

To repeat some simple action, for example, the insert operation, press the Ctrl + Y or F4 keys (if F4 does not work, try pressing the F-Lock or Fn key, and then F4).

If you prefer to work with the mouse, on the quick access panel, press the button. Repeat .

Repeat button on the quick access panel


  • Default team "Repeat Image of buttonsNot available on the quick access panel in Excel. If you want to repeat the last action, you must first add the command Repeat on the shortcut panel. For instructions, see the article Adding a command that is not on the tape to the shortcut panel.

  • Repeat some actions in Excel, such as the use of function to the cell, is not possible. If the action can not be repeated, the team Repeat Changing on Cannot repeat .

By default, in Excel and other Office programs, you can cancel and return no more than 100 actions. However, this can be changed by adding an entry to the Microsoft Windows registry.

Important: Remember that some actions, such as pressing the buttons on the tab File or saving a file cannot be canceled, and the execution of the macro in Excel clears the abolition stack, which is why it cannot be used.

A warning: With an increase in the number of cancellation levels, caution should be taken: the more cancellation levels, the more RAM (RAM) requires Excel to store the cancellation log, which affects Excel performance.

The following is described how to change the number of cancellation levels for Excel via registry editor. For Word or PowerPoint you need to perform similar actions.

  1. Close all running Office programs.

  2. In Windows 10 or Windows 8, right-click the button Start and select Perform .

    In Windows 7 or Windows Vista, click Start .

    In Windows XP, click the Start button, and then click Command Perform .

  3. In the search field or field Perform Enter regedit. and press Enter.

    Depending on the version of Windows, you may need to confirm the opening of the registry editor.

  4. In the Registry Editor, expand the Registry subsection corresponding to your Excel version:

    • Excel 2007: HKEY_CURRENT_USER \ SOFTWARE \ Microsoft \ Office \ 12.0 \ Excel \ Options

    • Excel 2010: HKEY_CURRENT_USER \ SOFTWARE \ Microsoft \ Office \ 14.0 \ Excel \ Options

    • Excel 2013: HKEY_CURRENT_USER \ SOFTWARE \ Microsoft \ Office \ 15.0 \ Excel \ Options

    • Excel 2016: HKEY_CURRENT_USER \ SOFTWARE \ Microsoft \ Office \ 16.0 \ Excel \ Options

  5. On the menu Edit Select Create , and then - Parameter DWord. . Choose New value 1. Specify the type Undohistory. And then press Enter.

  6. On the menu Edit Select Team Change .

  7. In the dialog box Changing the DWORD parameter Click Decimal In chapter Executive system . Enter a number in the field Value Click the button OK And close the registry editor.

  8. Run Excel. Excel will store the number of actions specified in step 7 in the cancel journal.

Cancel last action

Pressure Command.+ Z until I specify the problem.

Or press the button Cancel In the upper left corner of the tape.

On the tape highlighted the "Cancel" command.

Some actions you will not be able to cancel, for example, select commands in the menu File or saving a file. If you can not cancel the action, the team Cancel Changing on Cannot be canceled .

To cancel multiple actions at the same time, press the arrow next to the button Cancel Highlight in the Actions list and click List.


To cancel canceled cancellation, click Command.+ Y.

You can also click the button. Return In the upper left corner of the tape. (Button Return Appears only after canceling the action.)

On the tape highlighted the "Return" command.

Repeat An Action.

To repeat something simple, for example, the operation is discharged, click Command.+ Y.

Or press the button Repeat In the upper left corner of the tape.

On the tape highlighted the "Repeat" icon.

In Word on the Internet, PowerPoint on the Internet and Excel On the Internet you can cancel or re-cancel the main actions. Additional features are available in the classic version of Office.

Cancel last action

Press Ctrl + Z or Cancel Button in Word Onlinebutton "Cancel" on the ribbon until do not point the problem.

Cancel changes in Word Online

Some actions you will not be able to cancel, for example, select commands on the tab File or saving a file. If you can not cancel the action, the team Cancel It will be inactive (shaded). "Cancel" button when the cancel command is not available in Word Online.


To cancel canceled cancellation, press Ctrl + Y or click Returns to Word Online("To do Again ") on the ribbon.

Returns to Word Online

How to cancel the last action on the computer

When using a computer, users often occur when some action has been completed by chance or incorrectly, for example, deleting or renaming files. Especially for such cases, the Windows operating system developers came up with a convenient function that cancels the last action. In addition, this process is carried out and with other tools. In this article, we describe the abolition of recent action on the computer in detail.

We cancel the latest action on your computer

Usually, randomly performed operations on the PC can be returned with a special hotkee, but not always such manipulation will work. Therefore, you will have to resort to the implementation of certain instructions through the built-in utilities or special software. Let's consider in detail all these methods.

Method 1: Built-in Windows Function

As mentioned above, a built-in function is present in Windows, which cancels the last action. It is activated using a hot key Ctrl + Z. or through a pop-up menu. If you, for example, accidentally not so renamed the file, just tighten the above combination or click on the free area with the right mouse button and select item "Cancel renaming" .

Cancel Rename in Windows 7

When moving the file to the basket, this shortcut key also works. In the pop-up menu you need to click on the item "Cancel deletion" . If the data was removed permanently, you should use special software or built-in utility. Below we will analyze this method of recovery in detail.

Cancel deletion in Windows 7

Method 2: Cancel Action in Programs

Many users actively involve in the computer for a computer different software, for example, to edit text and images. In such programs, the standard keyboard shortcut is most often Ctrl + Z. However, they still have built-in tools that allow you to roll back. MICROSOFT WORD is the most popular text editor. In it, the panel at the top there is a special button that cancels input. Read more about canceling actions in Word, read our article on the link below.

Cancel action in Microsoft Word

Read more: Cancel last action in Microsoft Word

It is worth paying attention to both graphics editors. Take as an example of Adobe Photoshop. In it in the tab "Editing" You will find a series of tools and hot keys that allow you to perform a step back, cancel editing and much more. Our site has an article in which this process is described in detail. Read it on the link below.

Cancel action in Adobe Photoshop

Read more: How to cancel action in Photoshop

In almost all such software, there are tools that repeal action. You just need to carefully examine the interface and get acquainted with the hot keys.

Method 3: System Restore

In the case of irrevocable deletion of files, their recovery is performed using the built-in Windows tool or using special software. System files are returned by individual methods, via the command line or manually. Detailed instructions can be found in our article by reference below.

Read more: Restore system files in Windows 7

The usual data to restore the easiest way through third-party software. They allow you to scan certain hard disk partitions and return only the information you need. Meet the list of the best representatives of such software in the article below.

Read more: The best programs for restoring remote filesWesert remote software on your computer

Sometimes some manipulations lead to system failures, so you have to use a built-in or third-party. Such tools pre-create a backup copy of Windows, and in the case of needing is restored.

READ ALSO: Windows Recovery Options

As you can see, cancel action on the computer can be carried out using three different methods. All of them are suitable for different situations and require the implementation of certain instructions. Almost any changes to the operating system roll back, and the files are restored, you only need to select the correct method.

READ ALSO: View Recent Action on Computer

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