Hi Guys hey at first i had that VISUAL RUNTIME ERROR.all of my softwares started to crash with the same error and i reinstalled my windows (xp)4 or 5 times (i formated the drive first). and then i have the same error some time and some times my softwares(include all of the games) just jump out , like i see the first logo or window goes black and then guess what i have my windows xp main windows again and nothin happen just like no program ran by user. so checked the system with NORTON WINDOCTOR and it says that theres something wront with the NEWDOTNETINSTALLER.exe from installshield foldare in PROGRAMFILES/COMMON FILES/INSTALL SHIELD/PROFESSIONAL/.../INTEL32/... . and of course it says that this newdotnetinstaller con not access the MSCOREE.DLL . hey please if anyone can help me plz plz do some cause im dying here. as yo see i reinstalled the windows and still got the same problem. and i tested F-PROT , KASPERSKY (up to date) , SOPHOS ,DR.WEB , but nothin found. thanks guys