Windows Client 9.0.4 Installer Failed A Dll Required for this install to complete could not be run

I am trying to install seafile 9.0.4 on a machine with 7.0.4 currently running. It instantly generates this error and fails out.
There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor.

I did run a installer log file and this is the error leading up to the problem. Let me know if you need anything else thanks again for everything.

Action ended 4:06:49: CostFinalize. Return value 1.
MSI (s) (48:48) [04:06:49:731]: Doing action: MigrateFeatureStates
Action 4:06:49: MigrateFeatureStates. Migrating feature states from related applications
Action start 4:06:49: MigrateFeatureStates.
MSI (s) (48:48) [04:06:49:747]: Skipping MigrateFeatureStates action: already done on client side
Action ended 4:06:49: MigrateFeatureStates. Return value 0.
MSI (s) (48:48) [04:06:49:747]: Doing action: MoveExtDll64
Action 4:06:49: MoveExtDll64.
Action start 4:06:49: MoveExtDll64.
MSI (s) (48:4C) [04:06:49:762]: Invoking remote custom action. DLL: C:\WINDOWS\Installer\MSI7F8B.tmp, Entrypoint: RemoveExtDll
MSI (s) (48:B8) [04:06:49:762]: Generating random cookie.
MSI (s) (48:B8) [04:06:49:778]: Created Custom Action Server with PID 4544 (0x11C0).
MSI (s) (48:94) [04:06:49:809]: Running as a service.
MSI (s) (48:94) [04:06:49:825]: Hello, I’m your 64bit Impersonated custom action server.
CustomAction MoveExtDll64 returned actual error code 1157 (note this may not be 100% accurate if translation happened inside sandbox)
MSI (s) (48:48) [04:06:49:841]: Note: 1: 1723 2: MoveExtDll64 3: RemoveExtDll 4: C:\WINDOWS\Installer\MSI7F8B.tmp
Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor. Action MoveExtDll64, entry: RemoveExtDll, library: C:\WINDOWS\Installer\MSI7F8B.tmp
MSI (s) (48:48) [04:06:52:120]: Product: Seafile 9.0.1 – Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor. Action MoveExtDll64, entry: RemoveExtDll, library: C:\WINDOWS\Installer\MSI7F8B.tmp

Action ended 4:06:52: MoveExtDll64. Return value 3.
Action ended 4:06:52: INSTALL. Return value 3.
Property(S): UpgradeCode = {65DED1C8-A5F1-4C49-8E7E-B0A8A5A6535C}
Property(S): SeafileExtDir = C:\ProgramData\SeafileExt
Property(S): bin_Dir = C:\Program Files\Seafile\bin\

Just an update, I have tried many versions of windows, and about 15 different computers with various versions of windows enterprise on them. 1607, 1809, 21H2. All give same error above and can’t install any version of seafile client above 7.0.10. Just giving a small update in case anyone has any ideas :slight_smile:
Thanks again

This could be a permission problem or some other problem in your Windows environment. You can try to install with administrator permission.

Thank you for the reply Jonathan, I did try running as an administrator and also the local user account is a full admin as well :slight_smile:
Thanks again.