OK, let me start by saying this doesn't happen on every PC, and strangely the symptoms vary from PC to PC. I have over 100 clients (and 250 PCs) using Eset Smart Security, and most of them have no issue.
But, I have several PCs that have recently started exhibiting strange lockups.
All PCs affected are running Win 7 64 bit.
One PC locked up randomly, maybe after 5 or 10 minutes of use, and would stay locked up for 10 - 15 minutes, and then become responsive sometimes, other times you would have to reboot. This was using ESS6.
Another PC wouldn't start Windows at all, just a welcome, a spinning circle and then nothing more. ESS4. I repaired Windows after a system restore failed, and it worked for a few days, then back to the same problem. Only one user, so no login screen before the lock up.
The one on my bench now, starts OK, when you get to the login screen (where you select a user), fine, then you select a user, and the PC locks up and goes no further. Ever. You must restart in safe mode, it boots fine, system restore a day or two, and still fine, now boots OK in normal mode. For about three times or less, and then it locks up again. ESS7.
There are five (maybe six) other PCs I have attended to recently for faults that I think can be attributed to Eset when I look back at the symptoms.
IN ALL CASES, the freezing and lock ups were solved when I uninstalled Eset using the Eset Uninstaller, no more freezing, no more lock ups on start up, I have started the one on my bench 20 times since removing ESS, and NO issues.
In all cases, I have installed a different paid anti-virus (Sophos), and there have been no issues. The first PC has been back for 4 weeks without a problem, the second went back two weeks ago, and I am hoping the one on my bench will continue to keep working like it should.
What is causing these lockups and freezes, any suggestions?????