Yeah, that should be correct and the issue

As mentioned by Helmut you can move DataRoot to any other loval drive changing the registry key. I suggest you to use a kleaning (KLeaner) tool, wipe kav, reboot, reinstall and see what happens !
Additional note: Be sure to have all latest and necessary MS patches installed.
If you wish, you can disable the "previous start has been failed" error message:
• deactivate self-defense
• change value of "MinShowDumpVer" to 0xffffffff (hex)
32bit: HKEY_LOCAL_MACHINE\SOFTWARE\KasperskyLab\AVP6\settings
64bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\KasperskyLab\AVP6\settings
Regards,
dawinci