Error message in Studio 2017

Hi,

I constantly get this error message from Studio 2017 :

"Access denied to access path C/Users/damor/AppData/Local/Cronol"

and I cannot open packages anymore.

However, I want to upgrade to Studio 2019, as my clients asked me to do it in order to manage some of theri projects.

My question is: as follows:

if I buy and installa an upgrade, how can I be sure that I won't get the same error message and have the same problem again?

Besides, I uninstalled  Studio 2017 and reinstalled it many times, but this error still persists.

Thank you in advance.

Livia D'Amore