Thanks for your reply! Clean install and 'repair' was the first thing I tried and I did it a couple of times, but didn't help at all. I started to use GIS on my laptop but it kept freezing so I assumed it was because my laptop was not powerful enough so I installed it on my PC but it was just as slow and kept on 'crashing' (freezing, not responding) so I did the repair and the clean install again, didn't change anything... I have recently upgraded my motherboard and I was hoping the problem will stop but it keeps doing the same. I have a 64-bit system on everything so that is why I think that must be a problem and my license doesn't work for Pro sadly.
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