I am running v9.2-1 on a 64bit Windows 7 machine without any issues. I checked the bug list for any mention of this issue and did see a comment "many users have had to be Administrator to upgrade to 9.2-1". I am logged in as a user with administrator privileges. What version of windows are you using...

I was in a slow downhill slide over the last few years, my sleep becoming worse and worse, and my daytime consumed by periods of sleepiness that left me a zombie sitting at my desk. I tried everything, bought a Zeo, a new mattress, a mouthguard - but the steady slide continued. A sinus infection led...