UltraEdit, UltraCompare, UEStudio forums

I had the same problem on Windows XP. I fixed it with regedit. Here's the steps: 1. Start->Run... -> regedit 2. Right-click on HKEY_CLASSES_ROOT 3. Click Permissions [Strangely, "Everyone" was the only entry for me] 4. Add "Administrators" and tick all the "Permit" permission boxes. That fixed it fo...