The SIW portable package is not supported for Windows 8.1 unless you buy the PRO version but that seems to be not what [portable apps is for.
it works for win7 but it thought I would mention this
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This is noted on the official page for SIW under system requirements.
Sorry about that.
I missed that one.
I couldn't understand anyone missed that...It seems I was the one how missed it. Thanx for your reply