I've been having a problem with lsass.exe I had a virus or something a while ago and somehow lsass.exe got deleted. Now, everytime I start my copmuter, it comes up with a message saying it can't be found or is unaccessible. The copmuter will not start until I click ok. I checked in the system32 folder and it is there. I guess it got replaced.. but it still says it isnt found or is not accessible. What can I do to fix this? Also, everytime I restart my copmuter, the system32 folder opens. Any ideas how to fix this?