Problem:

I recently has an issue when trying to install Microsoft Office Professional 2016 (Volume Licence) onto a new Windows 10 machine. The setup.exe would fail with the below error:

Microsoft Office Professional 2016 encountered an error during setup

Troubleshooting:

I checked the Office Setup logs located in the following directory C:\Users\USER\AppData\Local\Temp and found the following errors:

Error: Failed to install product: C:\MSOCache\All Users\{90160000-0116-0409-1000-0000000FF1CE}-C\Office64MUI.msi ErrorCode: 1603(0x643)
Error attaching to OSE, error 0x00000000

After some googling I found this Microsoft Community question relating to my problem:

https://answers.microsoft.com/en-us/msoffice/forum/msoffice_install-mso_win10/microsoft-office-2016-encountered-an-error-during/594e99a2-7751-4a9d-bfe3-c4db9b051eb2

Solution:

The error was actually being caused due to a folder in Task Schedule called ‘Office’. The folder was empty and being detected by the setup.exe on installation which is why the install was failing.

I deleted the empty folder in task scheduler and re-ran the setup which resolved the problem and installed correctly.

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