Side by Side Error when trying to open 2007 Word and other similar programs

I have encountered a very stressful problem, whenever I attempt to open Word (2007), or Excel I get an error message which says:

"The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log for more detail."

I have been combing forums for the past 12 hours and have attempted several suggested fixes, to no avail. Such as those suggested:

http://answers.microsoft.com/en-us/office/forum/office_2007-word/side-by-side-configuration-error/5eed4b6e-3662-e011-8dfc-68b599b31bf5\
http://answers.microsoft.com/en-us/office/forum/officeversion_other-office_install/word-2007-will-not-open-it-says-the-side-by-side/5cf5bc15-8ab8-470b-bb99-df26bade6e4f

An attempted system restore was not successful (the restore actually failed and the restore point was not far enough in the past to pre-date the problem).

I attempted to run a sfc scan was suggested in one form (to another user), but this failed at ~77%, with a message which said that it could not perform the process.

Any help would be much appreciated as this has consumed my entire day!

Thank you in advance.

As an update:

Even Viewer states the following:

"MMC could not create the snap-in. The Snap-in might not have been installed correctly.

Name: Event Viewer CLSID: FX:{b05566ad-fe9c-be05-7a4cbb7cb510}"

And my efforts to uninstall and re-install Microsoft Office have been met with the following comment:

"Microsoft Enterprise 2007 uninstall did not complete successfully"

Answer
Answer

Both the manual & fixit methods of uninstalling office are listed here http://support.microsoft.com/kb/290301

Side by side errors are often caused by a .net installation problem

Contributor since 2006
Currently win11 Pro & O365 Bus, multiple devices

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Last updated April 3, 2023 Views 609 Applies to: