CSE @ MIC

If you can't see Hidden files/folders in your computer, even after enabling the option "Show hidden files/folders" in (Tools -> Folder Options), then its automatically disabled again.

Here are two tricks to Unhide it:

Solution 1:
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1) Start -> Run and type "regedit" without the quotes and press OK.

2) HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

3) In right-side pane, change value of "Hidden" to as following:

(1) - To show hidden file
(2) - To not show hidden files

Solution 2:
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1) Start -> Run and type "regedit" without the quotes and press OK.

2) Go to:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folde r\Hidden\SHOWALL

3) Delete the value CheckedValue. (Its type should be REG_SZ and data should be 0 or 1.)

Create a new DWORD value called CheckedValue (same as above, except that the type is REG_DWORD) by right clicking on the right pane -> New -> DWORD Value. Modify the value data to 1 (0x00000001).

If it doesn't work, then surely there is a virus scan your pc with an anti-virus.