WAMP: Yellow tray icon server status problem

Problem: If WAMP server status tray-icon is yellow it means another application is using system port which is used by WAMP server. If you are using Skype this solving steps will fix this problem.

Environment: 
Win 7
WAMP server installed


 Solving:
1. Quit from Skype

2. Click WAMP tray icon and select "Restart All Services"

3. Make sure WAMP server tray status icon become green

4. Start Skype
5. Open browser and goto  "http://localhost" page - you should see WAMP server page