Hello. I am having a problem with deinstalling CIS V7 so I can install CIS V8. I attempted to deinstall V7 thru the Add/Remove programs entry. I am running Windows 7 X64 Home Edition. Halfway thru the deinstallation process mu computer suffered a BSOD! After I regained control of my computer I restored my machine from the last Restore Point in order to restore my internet connectivity. I then removed all COMODO-related directories form my machine. Then I started regedit in safe mode and as Adminitrator to remove all possible CIS-related keys. The following four keys, however, I could not remove: HKEY_LOCAL_MACHINE\Software\Comodo; HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\CmdAgent; HKEY_LOCAL_MACHINE\SYSTEM\CControlSet002\Services\CmdAgent; HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CmdAgent; HKEY_LOCAL_MACHINE\System\Software\COMODO. When I attempted to remove these keys regedit complained about errors in deleting keys due to unspecified errors. I did find out that I could remove the data within the keys and rename them.
However, before I attempt to install CIS V8 I need to know the answers to the following questions: (1) Will these renamed corrupt keys prevent CIS V8 from being installed? (2) If these renamed keys will prevent CIS V8 from being installed, How do I manipulate the registry to remove these keys without further damaging my PC to the point of a rebuild of my computer OR avoid taking the computer to the Geek Squad? (3) How can I help you “harden” the deinstallation procedure so this kind of BSOD never occurs?
Thank you for your help.