for me: not solved!
I use win pro 10 64 bit and at first, an older sourcetree version from january 2017, wouldn start, after a "strange" update prozess (184.108.40.206) without any messages, sourcetree doesnt work.
at my dev notebook, works an older version from december 2017 already.
so here is an exceptionlog:
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Runtime.InteropServices.COMException
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