Did you try running the installer as admin?
What error message did you get when using the dmxzone installer?
Can you get the full error from the project seven installer? The screen shot just has the first half of it.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.