Hi,
I found a solution for this issue in the past view days. The Problem was, that the Path to the PHP Installation Folder wasn't set in the ,,Environment Variables''.
Try the following:
Go to:
Start-> Computer->System properties->Advanced System Settings-> Register ,,Advanced->Environment Variables-> Then search at System variables the entry Path und click Edit. Then go to the end of the Variable value string and enter a ,, ; '' followed by the path to the php Installation folder. After click on ok and ok and then restart your System.