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"Access is denied" installation problem

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I downloaded PVSOL Premium 2020 from the website Solar Design Co and I bought the license, but doesn't complete the installation and giving me a/m error message in the title. Please see screenshot attached. What's the solution for this?

Error Access Denied installing PVSOL Prem 2020.png

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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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