Don't bother re-installing it if you're not currently using it.
Make sure it's removed in Control Panel not just disabled. I have seen device drivers bang heads with each other even though one of the two was disabled.
Go back into Safe Mode and run all your anti malware apps one more time to see if anything is re-appearing...save Ewido for last.
If all checks out clean defrag, do a disk clean and reboot into normal mode and run for a few hours to see how it is.
If OK great. If not we'll have to take further steps so post back.
patio.