In that case run Startup Repair
from System Recovery Options
to resolve the pending repair.
If SFC will not run then you may need to back up your files and Repair Install
as that is serious corruption.
You can also check the logs and other System Resources for clues, establish a clean boot while seeing if PD left any listings in msconfig, as it sometimes will leave behind services which are running at the time of uninstall: troubleshooting steps