Hi Brad,
Thanks for contacting us and sorry for the inconveniences,
- Run the Office application as an administrator. Sometimes, the error can be caused by insufficient permissions or access rights. To run the Office application as an administrator, right-click on the Word or Excel icon, then select Run as administrator. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
- Run the Program Compatibility Troubleshooter. Sometimes, the error can be caused by compatibility issues between the Office application and the Windows version. To run the Program Compatibility Troubleshooter, right-click on the Word or Excel icon, then select Troubleshoot compatibility. Follow the instructions on the screen to detect and fix any compatibility problems.
- Delete some keys from the Windows Registry. Sometimes, the error can be caused by corrupted or invalid registry entries. To delete some keys from the Windows Registry, follow these steps:
- Press Windows key + R to open the Run dialog box.
- Type regedit and press Enter to open the Registry Editor.
- Navigate to the following key: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Word
- Right-click on the Word key and select Export. Save the backup file to a safe location.
- Right-click on the Word key again and select Delete. Confirm the deletion.
- Repeat the same steps for the Excel key under the Office\16.0 folder.
- Close the Registry Editor and restart your computer.
- Troubleshoot in a Clean Boot state. Sometimes, the error can be caused by other applications or services that interfere with the Office application. To troubleshoot in a Clean Boot state, follow these steps:
- Press Windows key + R to open the Run dialog box.
- Type msconfig and press Enter to open the System Configuration window.
- On the Services tab, check the box that says Hide all Microsoft services, then click Disable all.
- On the Startup tab, click Open Task Manager.
- On the Startup tab of the Task Manager, disable all the startup items by right-clicking on them and selecting Disable.
- Close the Task Manager and click OK on the System Configuration window.
- Restart your computer and try to run the Office application again.
- If the error is resolved, you can enable the services and startup items one by one to find the culprit.
- If the error persists, you can restore the normal startup by undoing the changes in the System Configuration window.
- Uninstall and reinstall Office. Sometimes, the error can be caused by a damaged or incomplete installation of Office. To uninstall and reinstall Office, follow these steps:
- Press Windows key + R to open the Run dialog box.
- Type appwiz.cpl and press Enter to open the Programs and Features window.
- Locate Microsoft Office in the list of installed programs and click Uninstall. Follow the instructions on the screen to remove Office from your computer.
- Restart your computer and go to Office.com to sign in with your Microsoft account and download the latest version of Office.
- Install Office on your computer and activate it with your product key or subscription.
- Try to run the Office application again and see if the error is resolved.
I hope this helps!
Regards,
Sola