I just installed Wampserver 2.1 on my windows 7 64bit computer and the icon that should turn green, turns orange, saying that the server is not ready.
The result is
I struggled with this for hours on end on different machines. Often one solution did not work on the next machine. This is what I, by trial and error, found out worked like a charm every time.
Installed WAMP on win7 POS
Finished. No need to edit httpd.conf, no need to edit hosts-file and no need to disable IIS.
A total install of WAMP following these steps take well under ten minutes. Hope it does the trick for you as well.
I had the same issue, and after reading this post, I found that here's what you need to do, if you're running both Wamp and Skype at the same time, to avoid issues. MAKE SURE YOU OPEN YOUR WAMP SERVER FIRST, THEN OPEN SKYPE. That eliminated the problem, I was able to connect to the WAMP server with no problem, and the icon was green :).
I just right clicked on Wamp and changed http.conf . the listening port was 80 and I changed it to 2000
Listen 2000
and everything worked like a charm
Solved by reinstalling the Microsoft Visual C++ to 64 bits (it was 32 bits, don't know why).
More info:
http://www.faqforge.com/windows/fix-the-program-cant-start-because-msvcr100-dll-is-missing-from-your-computer-error-on-windows/