If you are not able to open your local drive because when you go to it the computer says choose a program to open this file and it shows you a list of programs here is what you can do to fix it.
1. Go to Start menu, choose Run...
2. From the dialog box that appears, type:
regsvr32 /i shell32.dll
3. Press Ok.
A message will inform you that DllRegisterServer and DllInstall in shell32.dll succeeded.
Press OK to dismiss the message.