please refer to this thread to know the beginning of my problems...http://www.thinkdigit.com/forum/showthread.php?t=119024 i scanned my PC using avira & a single Trojan was detected.after the virus scan was over & the trojan deleted the PC now boots,restarts & shuts down normally..the PC is also quite fast enough but certain programs are not running. now the problems- when i try to run the following programs i get these error messages- 1.firefox- the instruction at "ox8b21ab63"referenced memory at "0x8b21ab63".the memory couldnot be "read".click on OK to terminate the program. 2.maya- opens fine but the viewport doesn't show up.when i close it,this message appears- Fatal error.attempting to save in c;/DOCUME~/....failed 3.3ds Max- Error loading DLLs. DLL<D:\softwares\max 09\stdplugs\digilib.dlz> failed to initialize.error code 998- invalid access to memory locatio 4.photoshop- the exception unknown software exception(oxc06d007e)occured in the application at location 0x7c212aeb 5.BurnAware Free- Error: can't load library :kernel 32.dll also when i try to close a program after getting these error messages i receive the following message- the system is shutting down.please save all work in progress and log off.any unsaved changes will be lost.the shutdown was initiated by NT AUTHORITY\SYSTEM. time before shutdown: 00:00:60 message: windows must now restart because the DCOM server process launcher service terminated unexpectedly. is my RAM faulty? everything was running fine till last night.. what should i do now? should i get my RAM replaced? i also ran MemTest 86+ for 2 passes & no errors were found. please help.