My suggestion is going to sound radical:
If you still can't get things to work - I suggest reinstalling WAMP and starting with a clean slate.
Read all of this, better, print it if you can, before you begin.
Terminology - I have the 64 bit version of WAMP 3 installed and it installed in the c:\wamp64 directory. Apparently the 32 versions, new or old, installed in the c:\wamp directory,.
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WampServer English