You was right about Platform update. 6.1.7601.17514 is version SP1 installs. On my test Win7 system it's 6.2.9200.16570 and that is version Platform update installs.
Unfortunately, unlike missing interface issue I've solved in my code, there's no way to solve this one. I've updated release once more, but you can only check if it gives your a message about Platform update instead of a crash.
You must somehow find a way to install Platform update.
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