Is your affected machine a non-English version of Windows? (Or have a language pack installed?)
From: Eric Wittersheim [mailto:eric.wittersh...@gmail.com] Sent: Thursday, October 29, 2009 9:40 AM To: NT System Admin Issues Subject: VIPRE DEF 5474 is blue screening computers Anyone who runs Vipre Enterprise should make sure to update to 5475. 5474 is quarantining winlogon.exe and blue screening computers. Check out http://supportforums.sunbeltsoftware.com/messageview.aspx?catid=27&threa did=1802&enterthread=y plus it has happened to me on one system so far. Sunbelt is working on this as I type this. ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~