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wildm - are you using the portable version, if not and you have 64 bit Windows then:
if you are using the 32bit version try the 64 bit version,
if you are using the 64bit version try the 32 bit version,
If I were you I'd also update to Windows 8.1. The lifecycle status of Windows 8 is very confusing, some MS statements appear to say it's OK up to 2018, others say 2023, others even hint that it died on Jan 9 2016.
BR