CTRL+Z (Undo) History / Log Command - How To Revert
Sep 15, 2014
So, after decades of using Windows I've just discovered the single most destructive command... The CTRL+Z... Yup, that's right.
So here's the problem. I always leave my computer on 24/7, and today I was in a application trying to undo something, but I didn't notice the application was out of focus and I was in fact "undoing" several actions I've made in the last days... Absolute disaster - I accidentally deleted Gigabytes of information and I've no way of getting them back... The worst part is, I don't even know for certain what I've deleted, as I don't exactly recall what I did in the last few days.
My question is, is there a history/log of the undo actions? I've already checked Event Viewer and there is nothing there.
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May 12, 2014
I increased the custom sizing to 500 and now I can't undo it, and I can't do anything at all actually. I do not have a system restore point either, my Windows 8 doesn't let me for some reason... this is a serious glitch I cannot believe there is nothing to prevent this.
I did have a system restore, got to it by holding Shift when selecting restart. I was nervous about using it but it said none of my documents would be erased so I guess it worked out. Microsoft owes me a tablet!!! Seriously though, quit making new products until you can actually build one that works properly.
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Jan 26, 2013
Got a gigabyte card. Came with an intel core i53470, 3.2ghz, overclocked to 3.6. I have some problems, and everyone is telling me to turn it off.
So I'm in the Gigabyte UEFI DualBIOS Screen, looking at the M.I.T. menu, and it doesn't let me change anything. How do i undo the overclocking?
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Nov 14, 2013
Bought a new computer with Windows 8 (previous one was vista). I thought I was reasonably proficient with a computer, but Win 8 has me baffled so far. I was trying to do a system backup on a 1TB external hard drive and couldn't find the place to do it. Finally came across system restore. It said I would need at least 16mb. But, what it did was reformat my drive to 32GB.
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Jan 27, 2014
Why in win 8.1 pro can't i select mutiple files that aren't in sequence by holding the control key like you could in win 7. Or How do you selectively choose files now?
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Apr 21, 2014
I installed Classic Shell on my Windows 8.1 laptop and i kinda didn't like it too much so i uninstalled it. But it hasn't uninstalled completely, when i try running setup again, and choosing the 'remove' option it doesn't uninstall! Anyways, that isn't really the problem, the thing is, when i press 'ctrl alt del', it doesn't go to task manager, i tried right clicking on the start icon and clicking on task manager but that didn't work either, so i had to go to start menu and search for task manager and then finally it came up.
I'm wondering if there is any correlation between classic shell and 'ctrl al del' not working, any way of getting it to work again.
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May 31, 2013
I have an Asus PC running W864, I have a Seagate 2 TB Harddrive and I have two 2TB Hard drive connected by USB.
Sometimes when I leave my PC running while doing other things I come back to it after a few hours and the PC is showing a black screen the message "BOOTMGR is missing. Press Ctrl Alt Del to restart" This happens about once or twice a month, I can see no pattern or event that triggers it.
When I press Ctrl Alt Del the PC restarts and comes back to the same message.
If I reboot to a bootable repair disk or Windows 8 install disk my OS and Hard drive are not found, but my USB connected drives are.
I have to turn of my PC completely, I take out the plug, and switch it back on, sometimes it reboots properly to the Start screen but sometimes it just goes back to the black screen with the BOOTMGR is missing. Press Ctrl Alt Del to restart message.
What seems to work always is if I turn off the 2 USB attached drives turn off the PC then restart, that works 100% of the time as far as I can recall.
I suspect my had drive is faulty but I have taken the PC to the supplier and their tests show all is okay, even when I run Seatools for Windows it checks out 100%.
Seatools for DOS does not find the Harddrive, I believe this is a W7/8 issue.
I have repaired the BOOTMGR using the process shown here, How to fix bootmgr is missing in Windows 8 But since Windows 8 disk found the Harddrive I suspect the PC would have booted okay anyway.
Active SMART says it is okay and Event Viewer in Windows 8 does not show any related errors.
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Oct 9, 2012
I have a toshiba laptop running windows 8. I went to delete photos off a usb when my laptop froze. I turned off the laptop by the power button waited, then when I turned the laptop back on it came up with the message
A disk read error occurred press ctrl alt del to restart
Each time I press ctrl alt del it returns to this message. I can only go to F2 or F12.
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Mar 10, 2014
I have a keyboard error that is really putting a hamper on my work right now. this started yesterday, but i can't recall when exactly it started happening.
I have a steel series apex keyboard and windows 8 64-bit
When I press either of these four keys, it shows me on my keyboard settings software and on the on-screen keyboard from windows 8 - that all four are being pressed simultaneously
= left-shift, left-ctrl, right-shift, right-ctrl.
It doesn't matter which of the four i press - all four are treated like they're being pressed down. Also if i press alt, it thinks both alts are being pressed. I have tried:
unplugging, plugging back in
restarting my computer
putting keyboard settings to default
uninstalling and reinstalling all keyboard drivers/software
scanning/fixing registry errors
Also I've tried three different keyboards, a logitech g15, and a standard dell keyboard; they all do produce the same error.
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Aug 23, 2014
When I installed the free upgrade from Windows 8 to 8.1 I tried to access a web page I use for work and now I can not read it. When I was using Windows 8 I could read the page every time. Now I cant. My question is: can you revert back to Windows 8 from 8.1.
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Dec 1, 2012
I would install it on my Dell laptop running Windows 7. If after using Windows 8 for awhile, I may decide I like Windows 7 better. How is it possible to revert back? I read that once you do an upgrade the license of the older OS is lost according to this reference:
[URL]
which is quoted here:
"If I use a Windows 8 Upgrade disc/download to upgrade my Windows 7 computer to Windows 8, can I then use my old Windows 7 disc and product key to install Windows 7 on another computer?"
No. The Windows 8 Upgrade license replaces the previous Windows 7 (or Windows Vista or Windows XP) license.
To be clear: your old version of Windows that you upgraded from can no longer be used on your current, or any other, computer.Click to expand...
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Aug 11, 2014
can i revert from windows 8.1 to windows 8 i do have a recovery flash drive with windows 8 and i do have a recovery programme on my acer aspire V3-571.
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Jun 17, 2014
My son has an MSI Laptop running Windows 8.1. Following a recent Windows update (he cannot be more specific) he is no longer able to use his Admin (the only one) account. He sees the mouse pointer but the rest of the screen is black. Ctrl-Alt-Del does bring up a panel offering the usual options to shut down, reboot, Task Manager, etc. - but when I select Task Manager with the intention of seeing what processes are running,the dialogue does appear, but before it is properly displayed it vanishes.
Meanwhile the HDD light is burning constantly. If I simply leave the machine for 30 minutes or so, then the HDD activity subsides but there is still a blank screen. Moving the mouse pointer to the top or bottom right hand side of the screen has no effect.
Unfortunately we did not have the wits to set restore points Interestingly the other account (not administrator) is working without problem.
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Feb 1, 2013
Bought a new HP Pavilion with 8 installed, no CD. New OS and have decided to go back to Windows 7. I bought a full OEM version of 7 and am instructed to format the hard drive before inserting the new OS CD. I am having problems formatting the hard drive with out a OS CD to use.
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May 23, 2014
I signed up for a DNS service a while back. When I stopped using their service I removed their DNS entry from the ipv4 settings and considered it done (this was all they stated for install/uninstall, just update the DNS in ipv4)
At random, the PC will revert back to their DNS server. I have no virus (Malewarebytes Pro), my hosts file is empty.
Here's what I've done:
1) Removed it from ipv4 settings manually and reset to Obtain DNS Automatically
2) Open cmd as admin and ran the following sequence:
ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh winsock reset
netsh int ip reset
3) Reboot
On reboot, everything is normal, anywhere from 24 hours to 30 DAYS later it automatically reverts back to their DNS servers. I am on a .edu domain. I do not have access to the router, but I never modified anything in the router. Why my PC keeps reverting to their DNS servers?
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Dec 26, 2012
There is an app here that, when opened, causes all AutoPlay optical media settings to revert to "Take No Action."
Is there an AutoPlay setting that can thwart this, in the same manner that a file can be set to READ ONLY?
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Jul 3, 2013
I set up cursors for the mouse pointers and save the changes, then the next time I reboot they revert back to the default settings. Is this just Windows 8?
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Nov 4, 2012
Thinking of getting Win 8 pro upgrade from MS (offer), but if I don't like it, is it easy to revert back to Win 7 without having to reinstall W7.
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Sep 15, 2014
My son's pc will not hibernate on it's own. I used CMD in administrator mode and ran:
powercfg -requests
I found that a usb audio device was currently in use. I can disable it with:
powercfg -REQUESTSOVERRIDE DRIVER "USB Audio Device" SYSTEM
This works, and the pc can now enter hibernation. But when it resumes, the usb driver is running again. Is there a way to run...
powercfg -REQUESTSOVERRIDE DRIVER "USB Audio Device" SYSTEM
Using admin privileges at startup? I want it to be automated.
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May 15, 2014
I seem to be having a problem when command prompt needs to run anything as an admin.
This happens whenever it feels it needs to do so, like when setting a program to run as admin myself, or running an installer, like the setup for firefox (I'm in chrome right now, but I happen to prefer firefox)
Basically, whenever it needs to run anything, it'll open up to the user account controls window in this picture:
Upon clicking yes, it opens the command prompt you see in the left of the image for a split second, then closes. (it took many attempts to get a clear shot using printscreen, and I did edit it to have the UAC prompt in the same image to save space)
I'm guessing a manual regedit of some kind, as running any program is obviously blocked by the problem itself. (I cannot install any fixing programs, and anything that needs to run as admin to work is out as well).
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Oct 27, 2013
I need to execute the command prompt as admin. When I try to do it the command prompt window doesn't open and there are no errors. If I run the command prompt without admin privs it works, but I then can't do what I need to do in the admin window.
Note: I am running Windows 8.1.
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Jan 24, 2013
How do I open an elevated command prompt?
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Jan 4, 2014
What's the "Search" command prompt in Windows 8 pls?
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Nov 15, 2013
Trivia question: max value for -w in ping command? I don't mean the max wait a ping can experience. I just mean the maximum value after -w on the command line that will not give an error. If they use a 32 bit integer then it's pretty big. But if it's only 16 bit maybe we're limited to 64k?
ping 127.0.0.1 -n 2 -w 50000 > nul
--------------------------^^^^
For the purpose of this trivia let's limit it to Windows 8 command line .. not Linux or OS/2 or whatever.
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Mar 18, 2013
I would like to add a keyboard shortcut for Command Prompt (CMD), for example if I to have it as [Win+C] or something similar.
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Jul 29, 2013
I often format my laptop and uses virtual machine as well. So I had a batch (.bat) file to change all windows setting through registry. This batch file also changes command prompt screen size, buffer size and quick edit mode. However this does not work on Windows 8 command prompt setting.
Registry use to change the setting are:
- HKCUConsole\%SystemRoot%_System32_cmd.exe
- HKCUConsole\%SystemRoot%_SysWOW64_cmd.exe
Just wondering is there any way to change the setting in Windows 8 using batch file?
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Jul 28, 2013
Windows 8 Pro, 64 bit. In Explorer (file manager) under File, open command prompt, and open Windows PowerShell are greyed out. This is a new situation. How can I restore them?
I didn't realize I had to have a drive or folder selected to activate the prompt.
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Oct 24, 2013
Is there any way to add a command to the Windows 8.1 start button (right mouse click throws up a menu).
That could be quite useful for launching something like a user tool bar from the start button.
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Jul 27, 2014
In windows 7 there was a key command to see all the oppened applications in your computer that command was so useful and i dont know that command in windows 8
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Jun 26, 2014
im getting random command prompts showing up then disappearing, and sometimes disabling my desktop and not allowing me to browse through folders saying paths dont exist, was able to sign out and back in to my account and was able to quickly open chrome to download hijackthis, and to post it to here. my problem is, i dont understand what it all means.
I have an hp laptop with windows 8, everything should be updated, and my spybot shows no problems.
Logfile of Trend Micro HijackThis v2.0.5
Scan saved at 1:30:40 PM, on 6/26/2014
Platform: Unknown Windows (WinNT 6.02.1008)
MSIE: Internet Explorer v11.0 (11.00.9600.17126)
Boot mode: Normal
Running processes:
C:Program Files (x86)Norton Internet SecurityEngine21.3.0.12NIS.exe
C:Program Files (x86)Spybot - Search & DestroySpybotSD.exe
C:Program Files (x86)CyberLinkYouCamYCMMirage.exe
C:Program Files (x86)CyberLinkPower2Go8CLMLSvc_P2G8.exe
[code]....
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Jun 15, 2013
bcdedit /set increaseuserva 2500.
Tried this command because of Fallen Samurai Shogun 2 not working onmy windows 8 x64 enterprise. Says command not recognised.
So I tried. SFC /Scannow
Said the windows resource protection could not start the repair service.
So I checked services: Windows module installer. It was set to manual already. It was not running though. I pressed Run. And tried again SFC/scannow.
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