This is not version 1.4 from my conversion. Where is the reg entrie for patch 1.4? I only see up to the version 1.3.
If you convert is unpatched, you will have to delete the reg entries (before you make the conversion) of the versions: 1.1, 1.2, 1.3, 1.4. Leave 1.00 and others reg entries.
After try install the patches, if not working, use the regFix.
regfix:
http://www.mediafire.com/download.php?sw1ffkwfbzv6y7f
Download regFix, extract in your game installation folder and run. Click in Ok.
After try to install the patch. If not work, install the game from your original files and install all patches then make the conversion. The regFix works with all patches.