Xampp problem

Hello i have Xampp problem
im using Windows 7 x64 bit and xampp Apache not work so,
i downloaded apache x64 from [Only registered and activated users can see links. Click Here To Register...]
and then i followed instuctions then my apache works fine 3 days
then today i started server,navicat,portmaps and apache not work...
it worked 3 days now not..i tried restart computer 3 times and restart server and all but again the same...Apache cant Run!
Can anyone give me solution how to fix it or tell me another apache program on another way to make register page???
Please!

Thanks forward!

you can start appache with xampp ... but you should quit skype ... you have to go to your xampp path, then appache start ... wait .... then mysql start .... wait .... and than xampp is started

lol quit skype? okay i will quit it xD but i will try it now !!!

Edit: OMG IT WORKS THANK YOU SO MUCH I THANK U !!!