Whenever I start my computer at that time and whenever I try to shut down and whenver I try to open windows task manager the message pops out... dwwin.exe application error... the instruction at "0x3003a657" referenced memory at "0x00a65a4d", the memory could not be "read", click OK to terminate the program... and also I'm not able to open add or remove program and other options in control panel... please help me out from this problem... I tried to fix it by downloading free registry clean up software but not able to fix it... help me out of this problem...

What's your Operating system and do you have the install CD available ?