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- Error 1327. Invalid Drive: E:\I found the fix to this in the registry paths: Start - Run - RegeditHKCU\Software\Microsoft\Windows\Current Version\Explorer\ Shell Folders(and User SHell Folders)\PersonalLooked for the vlues that had E: and changed it to C:Thanks for everyone's help!Tony
Event Log:
Product: Dell Core Services -- Error 1327. Invalid Drive: Z:\
Z:\ is 'Egnyte Desktop App' --- a cloud network drive
DDPM-Setup_2.3.0.9.exe /? had no apparent switch to make it use a different drive for whatever it is doing.
Logged into the non-domain workgroup machine as a different use that is not setup with 'Egnyte Desktop App' (e.g. does not have a cloud mapped drive) to resolve. Install succeeded.joeroot4544
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Posted July 22nd, 2026 11:27
I ran into this years ago, and it turned out the installer was looking for a drive letter that no longer existed. It's often caused by leftover registry entries from an old installation. If every installer shows Invalid Drive E:\, that's a strong sign it's a Windows Installer issue rather than a Dell hardware problem. Did the E: drive used to exist on your system?
(edited)
mombodog
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Posted June 20th, 2007 19:00