Unable to open system drive in Windows

Some time when we right click on drive C: a window comes up; Open with: Chose the program you want to use to open the file. In such situation we are unable to open C drive but we can explore C drive using right click.This is because of autorun.inf file.

Solution 1:

• Double-click on My Computer on Desktop.
• Choose Tools and select "Folder options"
• Click on "View" tab, select and untick "Show Hidden files and folders" and "Hide Extention...." then click on apply.
• Back to "My Computer" right click on C drive and select explore then you will see "Autorun.inf" delete the file.
• Go back to "Folder options" Click "View" Tab, select "Restore
• Defaults" and click on "Apply".
• "Restart" your Computer. 

Solution2:

1. Open Command prompt (Start-> Run-> CMD) 
2. Type the following
3. attrib -r -s -h c:\autorun.inf
4. del c:\autorun.inf