logon failure: invalid lookout security file

[monday.william]

Computer went down due to power problems.  When it came up lookout 6.5 has a login prompt.  When trying to login get

I have tried to reinstall lookout and still is happing.  Win7 64 bit operating system

[Mike@Forshock]

May require replacing the possibly corrupted lookout.sec file.

[monday.william · Accepted solution]

Tried that.  

 Update to the situation.  Believe windows was doing an update when it lost power.  I was able to use system restore to get the system up and running.