TuneUp Free Trial version has stopped while cleaning space - cleaning old installation versions from Microsoft (trying to clean +/- 6 GB) - what can be the reason for this - in my account I still see my trial license number

AVG Performance
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TuneUp Free Trial version has stopped while cleaning space - cleaning old installation versions from Microsoft (trying to clean +/- 6 GB) - what can be the reason for this - in my account I still see my trial license number