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My colleage's PC has Kaspersky software that is expired. And he want to remove the software - I help him to uninstall it but the software requires some password that nether of us knows what it is.

A software should be able to be removed by the PC's administrator so I ask here to look for such workaround. My quick google search for this seems not helpful at all.

Please share if you know how to.

1. Boot in Safe Mode


2. open regedit

go to Windows 64-bit: HKEY_LOCAL_MACHINESOFTWAREWow6432NodeKasperskyLabAVP16.0.1settings

change EnablePswrdProtect to 0

3. restart in normal mode


4. set a new password for Kasperky (require even if you want to uninstall)


5. uninstall Kasperky

What you will need to do is run the Kaspersky Anti-Virus remover. Please follow the steps below.

1. 
   

   IMPORTANT: Please create a restore point on your system before using the tool by following these instructions:

   
   
   
   
   

   • Windows 7 & Vista:
     http://windows.microsoft.com/en-au/windows7/create-a-restore-point

   
   

   • Windows 8/8.1:
     On the Start screen type restore point -> Click 'Create a Restore Point' -> Click 'Create' -> name the restore point Before KAV Remover.

   
   
   
   


2. 
   

   Please use KAV remover to remove the Kaspersky product which was not removed with the steps above:

   
   
   

   Download the Kaspersky removal tool from:
   http://media.kaspersky.com/utilities/ConsumerUtilities/kavremvr.exe

   
   
   

   Choose the option to 'Save' the file, do not choose Run.
   Save it to a location that is easy for you to find; e.g.: your desktop.
   Follow the opening process of KAV and select the Kaspersky product you have installed, type in the Captcha code and continue to uninstall the Kaspersky product.

   
   

(Tips of the trade when working for Kaspersky!)

Source: https://support.kaspersky.com/1464#block1

You could try the following:

1. Reboot into Safe Mode (hit F8 at startup and select safe mode)


2. Enter the Kaspersky Program Folder and locate the avp.exe


3. rename the avp.exe to whatever you desire (i.e. temp.exe)


4. double-click that exe - the Kaspersky icon should show up on the taskbar at the bottom right screen


5. right-click that icon and select Settings


6. Now find the passwort protection and turn it off


7. Click ok to close the window and restart your computer


8. Now take the usual steps to uninstall software (control panel -> uninstall programs -> kaspersky and follow the routine)

Use Revo Uninstaller Software. It will remove entire software from root including registry and log files.
URL: www.revouninstaller.com/revo_uninstaller_free_download.html

If you have forgotten your Kaspersky password here is the best way to change it under Windows 7.

1. Visit this link https://support.kaspersky.com/us/11101. Download the KLAPR zip setup.


2. Press Windows + R for the Run window and Type msconfig and click Ok.


3. On the System Configuration Dialogue box click on "Boot option" under menu.


4. Under Boot options select safe mode with minimal as the second selection.


5. Click Ok. On the next dialogue box click Restart. (This will boot in safe mode)


6. Under safe mode; visit the folder containing the KLAPR setup, Unzip and Double click. This will open a command dialogue box. Just press any key and it will show process successful. press any button again as instructed and restart.(The computer will restart in safe mode)


7. Open Kaspersky and you will notice you can now change the password.


8. Repeat step 2 while in safe mode but this time UNCHECK the safe mode option and restart your computer.

Good luck.

The answer by Bento Fernandes works, but for me it was slight different:

I found the EnablePswrdProtect entry in:

HKEY_LOCAL_MACHINESOFTWAREWow6432NodeKasperskyLabprotectedKES10SP1settings

And I didn't need to change the password to uninstall it.