The error code 0xc000012f typically indicates that a file required by the Office application is either missing or not correctly registered. To resolve this issue, you can try the following steps:
- Repair Office:
- For a Microsoft 365 Click-to-Run installation:
- Open Control Panel.
- Under Programs, click on Uninstall a program.
- Select Microsoft 365 and then click Change.
- Choose Online Repair and follow the prompts.
- You may need to restart your computer after the repair process is complete.
- For a Microsoft 365 Click-to-Run installation:
- Reinstall Office: If repairing does not resolve the issue, consider uninstalling and then reinstalling Microsoft Office. This can help restore any missing or corrupted files.
- Check for Windows Updates: Ensure that your Windows operating system is up to date, as updates can sometimes resolve compatibility issues.
- Run System File Checker: You can also run the System File Checker tool to repair missing or corrupted system files. Open Command Prompt as an administrator and run the command
sfc /scannow.
If these steps do not resolve the problem, you may need to consult Microsoft Support for further assistance.