iGo software is very picky with regards to modified zip files. If you use a newer version of winrar, the zip file gets corrupted and igo software in no longer able to read it, hence the crashes. igo will work only with zip files modified by winrar 4.2 or earlier. TotalCommander also works (for zip file changes).
I should advice winrar 3.93 as maximum version for zip files. Also 32 bit. Personally, I am using winrar 3.90 32bit,although i am running Windows 10 x64.
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