Will the game load and play just patched to 1.5...without any mods? I'm guessing it will.
If yes... then add mods 1 at a time and try to load after each is added to find out which is causing you grief.
There are so many mods, each one overwriting one another, it isn't too hard to find a combo that will not load. The game is looking for this or that specific file and then finds something it doesn't expect. It just gives up and stops loading. Using JSGME it has always been easy to remove the offending mod[s] for me and to get going again...and this has happend several times....but keep in mind I have not tried 1.5 yet and there have been lots of complaints about that version. I can't comment until I get to try it firsthand and see for myself.
If you can't load and play SHIV 1.5 unmodded then you have something else going on..maybe try UbiSoft Technical support to try and resolve it.
Good Luck..we all know how frustrating these seemingly inexplicible snafus can be. We've all been there one time or another.
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