I can not INSTALL Tor using Windows Vista !

I download TOR installation file from the official TOR site. No possibility for any mistakes there. Then I click on it to install but nothing happens. I also try by right-clicking and then click the "Open" command but same result. This has never happened to me with another downloaded executable file. Further I have googled "Can not install TOR browser" but I find only users with Linux having this problem. How is it possible that I am the only one using windows with this problem? That can not be the case of course. Then WHAT is the problem ?

I too am on Vista (32-bit, Business Edition) and cannot start the setup program. I've also tried to run it as Administrator, even tried with compatibility mode, no luck.

I've also downloaded the 5.5alpha1, it too does not start.

Seems Vista is being left out?

I've opened a ticket with bugtracker on torproject.org (bug #16847).

In the meantime, I've noticed the Portable version of Torbrowser installs just fine.

Google: torbrowser portable

The first result is from sourceforge, download the latest version from them (currently it's: 5.0.1). This worked for me.

Well the solution has been found. As-per cypherpunks' instructions in the ticket, right-click on "torbrowser-install-5.0.1_en-US.exe", left click on Properties, then click on the Unblock button. Lastly, re-run as Administrator.

**Shakes fist at Vista!**

I've also downloaded the 5.5alpha1, it too does not start. Seems Vista is being left out?