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The above error code 30045 primarily appears when you try to open office program on a Windows 10 computers which are previously running on Windows 8.1. It has been observed that this error needs to repair or a reinstall and you can read the below information for more knowledge.

Issue Type : Error Code 30045

office programs will not open at all and gives you an error code 1058-4. Even you get a different error code 30045 when you try to repair or uninstall. This is found on Windows 8.1 upgraded to 10 machines recently.

First do a disc clean up so that we can remove old-Microsoft office installation traces from your computer.