Hello,i am new to this community I use Windows 7 64-bit.I formatted c drive recently. I installed Mozilla firefox browser, which worked then. after rebooting system, it never worked. I also installed Opera and faced same problem .It also showed an error an closed. I managed browsing in Google Chrome which never gave a problem .Adobe Reader also gave same problem. It showed a dialog box showing Core DLL missing . Adobe photoshop CS6 also does not work. It had same type of problem. After restarting the windows ,it never worked. No process started related to adobe . XAMPP also does not work(apache server runs but mysql server never starts).Softwares live Your Uninstaller also has same problem.Few more softwares had same problem. Picasa also has problems. After restarting it only opens images.Software never opens. C5 Free also has same problem. It shows some error. Few softwares thumbnails change to something else and few thumbnails blur. Please help me out of this problem. Thank You.