I have a strange problem in my laptop...there is an application that i used earlier but now that does not run...but when i turn on the Guest Account and run that application that runs smoothly...i tried uninstalling and then installing...download new version of that soft but there is that same problem...repaired registry also...tried running as administrator...and i think there is not any compatibility issue also...tried restoring also...so i don't know what to do now...please help...thanks...