cannot open "my computer" by double clicking on the icon

may be this virus in your computer , you must to scan your computer by any security program .

Thanks
I did scanned my system with symantec antivirus but, it did not detect any virus. I don't know what to do? I thank u for ur kind concern for helping me.

solution
I had installed some entertainment software on my system and when I uninstalled it the problem was solved.

Thanks for helping me.