FIX HIDDEN FILES PROBLEM

{Navigate to the windows registry:
Go to Start menu
Click Run
Type regedit in the text box and then click Enter.

When the Registry Editor opens, perform the following steps:

Go to the following registry key:

Go to HKEY_LOCAL_MACHINE and then open Software.Under this navigate to: Microsoft -> Windows -> Current Version -> Explorer Then go to Advanced -> Folder -> Hidden -> SHOWALL
Delete the value CheckedValue.
(Its type should be REG_SZ and data should be 2 or 0.)

Create a new DWORD value called CheckedValue (same as above, except that the type is REG_DWORD).

Modify the value data to 1 (0×00000001).This should enable you to select the ‘Show hidden files and folders’ option without much problem. So you get rid out of the problem..... }