If you are on Windows Vista and get the error message 'WowMatrix for Windows has stopped working' when you try to open WowMatrix, here is the recommended fix:

1. Right-click on the WowMatrix application, and select 'Properties'.

2. Click the 'Unblock' button.

This may resolve the issue.

If this still does not resolve the issue, please try the following:

1. Delete your existing copy of WowMatrix (by dragging it to the Recycle Bin).

2. Download a new copy of WowMatrix using this link instead.

Now when you open WowMatrix, it should run correctly. Happy gaming!