Office error code 5-4 appears when there is already office program on the computer.
The reasons behind this error code 5-4 is due to the leftover old office program files on the computer. If this is removed and still getting the same office error, it is required to do the following steps.
Perform a system file scan using sfc scannow command through command prompt administrator privileges.
SFC SCAN is the command line we use to perform this process. Please find the below steps explained to perform this scan.
If there are any corrupted files found with respect to the above scan process, then the issue is pertaining to the windows health which requires a repair of Windows Operating system with the help of the source disk.
Run a system disk cleanup utility from the disk properties and also use a manual way of deleting the internet cookies and try to reinstall the office program.
For the installation going through the click-to-run version of office setup, it requires uninterrupted internet connection. If you have an intermittent network, turn out to use the ISO file.
If there is any Office update failure which leads to Error 5-4. Usual Office errors can also cause due to the recently installed third party programs on the computer. It is required to restore the computer to an earlier date when it was working fine to fix. If the system restore also fails to work, the solution is to repair it online or uninstall and reinstall. If all the above mentioned steps are done and still getting the same error 5-4, it is required to get the computer diagnosed with an expert.
We can provide the best solutions here on this office chat support page for this error code 5-4 or any. Do chat to a Technician to find more answers.