Error: Failed to extract SEE Files for packages [717, 952]. Exception:Access to the path 'C:\ProgramData\Commvault Systems\Galaxy\Temp\DBUpgradeFiles\Base\DBUpgrade\CommServer\DBUpgradeCommServerPreUpgrade.see' is denied.
Solved
Upgrade from v26 to v28 -- Access Denied to folder.

Best answer by Jos Meijer
Ah ok, then moving the installer is not an option.
But still, something is blocking access, do you have an anti virus/malware installed? If so can you test with that disabled?
Also are the Commvault services running under local system account or a different account? If different, check the ACL on the folder to see if full controll is available for that user.
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