Uninstall Cylance AV without a password

  • Open Regedit
  • Go to Computer\HKEY_LOCAL_MACHINE\Software\Cylance\Desktop
  • Take ownership of “Desktop”
  • Delete “LastStateRestorePoint”
  • New DWORD : SelfProtectionLevel, set to 1
  • Do NOT reboot the machine, it’ll reset the registry
  • Uninstall Cylance

Thanks to Simon at work for the steps on this one…. easily uninstall Cylance AV without a password.


  1. Win10 [Version 10.0.18363.959] … uninstall permissions still is denied.
    No domain, work group only., user is local admin.

    1. Thanks for the comment, I think this method was probably using a flaw in their program that’s now been fixed. There are other methods tat still work so I’ll update this post when I get a chance.

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