Hi, I have the same problem, but I will ask a question to, I have the same problem with Windows 7 Professional RTM 64bit, but i don't have the problem with Windows 7 Ultimate build 7000/7100 RC 64bit Version. Also there are some products missing like PHP, Drupal and a lot more. Are there any differents...

Since yesterday evening I've been unable to install additional programs; attempts to do so receive an "installation is already in progress"-type error. I've rebooted twice and can see one persistent instance of msiexec.exe running under SYSTEM authority in the task manager. When this...