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"Access is denied" installation problem


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Hi Ragy,

this error is unknown to me, but it looks like a system issue to me. "msxml3.dll" is a system library located in C:\Windows\System32\. Can you see it in your system? Also be sure that no other process is accessing the PVSOL.ini file here:

"C:\Users\USERNAME\Documents\Valentin EnergieSoftware\PVSOL premium 2020\PVSOL.ini"

or, if you install PV*SOL premium 2020 for the first time, check this file:

"C:\Users\USERNAME\Documents\Valentin EnergieSoftware\PVSOL premium 2019\PVSOL.ini"

Hope that helps to identify the problem.

Kind regards,


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  • 1 year later...

Hi Fredrik,

coudl you check if you have access to the following files:

"C:\Users\USERNAME\Documents\Valentin EnergieSoftware\PVSOL premium 2021\PVSOL.ini"


"C:\Users\USERNAME\Documents\Valentin EnergieSoftware\PVSOL premium 2022\PVSOL.ini"

as well as

"C:\Users\USERNAME\Documents\Valentin EnergieSoftware\Installation.ini"

Also check if these files are read-only or currently in use by another process or user.

Hope that helps, kind regards,


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  • 2 years later...

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