Give this a try.
Click on My Computer on your desktop (or start Windows Explorer)
Then select Tools / Folder Options/ select VIEW Tab and look at all of settings listed.
"CHECK" (turn on) Display the contents of system folders.
Under column, Hidden files and folders----choose ( *select* ) Show hidden files and folders.
Find your folder. Then do a Right-click on the folder. Select properties. Then, UN-check "Hidden".