WINDOWS 10
My solution
You have to remove wamp completely, I used REVO UNINSTALLER which remove all files. Check that there is NO Wamp Folder on the c:/ drive. empty trash bin.
Go to windows and install all the c++ visuals and updates (for what ever system you have).
restart machine every time it tells you to, Download a fresh wamp and install. Start wamp, it should go orange,
Go to window
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WampServer English