i have a problem in my computer. i am using windows XP. Everytime after i log on to the internet, an error message will come out within a minute or so. The message is 'LSA Shell (Export Version) has encountered a problem and needs to close.' The error file contain D:\DOCUME~1\CHENYI~1\LOCALS~1\Temp\WER1D.tmp.dir00\lsass.exe.mdmp D:\DOCUME~1\CHENYI~1\LOCALS~1\Temp\WER1D.tmp.dir00\appcompat.txt Whether i sent the error or not send the error, it is useless. After another mins or so, a messsage wil come out again saying that my computer will auto shutup in a minute time. due to e NT authority\system. how!! help!!