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PVSyst error - Can't open the file


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When I try to open any project (that was working before) the program shows the following message:



It says there is a problem with the file and it is already been used by another program.

If I skip this problem and continue, I can`t even find any PV modules and inverters that should be the PVsyst default files (as shown in the image):


I have reinstalled PVsyst several times using different folders with different workspaces and nothing solved this problem.

Cleared the registry

Tested on annother machine



I think it's a compatibility problem with the Windows version.

Does it have any solution?

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