Cannot delete a COMODO Antivirus driver


  1. Posts : 198
    Win 10 Pro 64bit v 1903 build 18362.145
       #1

    Cannot delete a COMODO Antivirus driver


    I was using IceDragon as an alternate browser for Firefox when, without my authorization, IceDragon updated itself and installed COMODO antivirus. As I am running Norton Security, I didn't want COMODO running, too. Trying to uninstall the program through the normal control panel proved useless as it wouldn't uninstall (the only option coming up when trying to uninstall was 'Install COMODO').

    I finally had to use RevoUninstaller to get rid of it (I thought). However, I find that there's a driver - cmdccav.sys - that's in my startup that I can't get rid of. Every time I try to delete the driver, it says that it's in use by another program. I used Process Explorer to try to find out what program it was but nothing came up.

    How can I find out what program this driver is associated with? Other than that, how can I delete the driver?

    Thanks.
      My Computer

  2. vgchat's Avatar
    Posts : 388
    Windows 10 Pro
       #2

    If you grab spybot v1.* it has some pretty good options for disabling startup items. Try grabbing that, block the cmdccav.sys file, restart and try to get rid of it then.
    Spybot - Search & Destroy 1.6.2 Free Download - Spybot Anti-Malware and Antivirus : Spybot Anti-Malware and Antivirus

    Also you should be able to achieve the same effect with ccleaner.
    Clean & speed up your slow PC | CCleaner Official Website
      My Computer

  3. spunk's Avatar
    Posts : 2,383
    Windows 10 Pro 64 Bit
       #3

    Use the Comodo Uninstaller to fully remove Comodo from your computer Comodo Uninstaller Tool Use, Internet Security, Comodo Removal Tool | COMODO
      My Computer

  4. Pejole2165's Avatar
    Posts : 610
    Windows 10 Pro 1909
       #4

    It is likely a service is running that uses the cmdccav.sys file, find the service in services (open task manager, services tab, click open services at the bottom), if you can find the service (normally they have a similar name to the program that installed them plus a description) right-click it and choose stop. Then right-click again and see if you can set start up type to disabled.
    Find the cmdccav.sys file, rename to something like cmdccav.bak, may need to restart before doing rename, then restart and delete the cmdccav.sys file.
    This method has worked for me when removing stubborn items (Intel Extreme Tuning Utility I'm looking at you!!!) however I would first try the above posted suggestions as a cleaner way to remove it.
      My Computer


  5. Posts : 198
    Win 10 Pro 64bit v 1903 build 18362.145
    Thread Starter
       #5

    Thanks for the replies. None of the above worked. The file kept itself hidden from any apps (Revo, CCleaner, SpyBot, etc) so those didn't work. The uninstall from COMODO didn't work either. There were no services listed for any Comodo programs either. Finally went into safe mode and was able to delete the file there. All's well again.

    Thanks.
      My Computer

  6. Telos's Avatar
    Posts : 50
    Win10 x64
       #6

    I find Device Remover effective at removing stubborn services.
      My Computer



 

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