Hey I started having this same problem last week. So thought some program i installed messed with my drivers or i had caught some bug. But im thinking that a little less now as today i noticed my roommate was also having the exact same program crashing under mouse drag problem(she also has win7 and our computers are both a little over 1yr old). We use two different mouses.. mine is view sonic wireless.. and hers is a wired mouse (i will try to ask the name later). I am currently doing a system so when that is finish i will do the clean startup recommended and let you know how it goes.. But in the mean time..are there any other persons with this problem.. are we yet to know the reason for this occuring?
Thanks!
ps.. i dont get a blue screen of death the program that i was operating; word, chrome, firefox,qq .. the application is what crashes not windows, so no blue screen. so i have not BSOD dump files