FIX: Can’t find language dll msain.dll

1. Go to Control Panel

2. Click on Programs

3. Click on Programs and Features

4. Right-click on Office

5. Choose Change

6. Choose “Repair”  (Online repair for Office 2013 / 365)

7. Click on Continue

Repair Office
Repair Office


After the repair has finished try to start the application again and see if the problem is gone.

About the Author

2014, 2015, 2016, 2017 and 2018 Microsoft Most Valuable Professional Windows
Yuri specializes in troubleshooting (crash analysis and devices), system resource utilisation and system performance. He is also very interested in Customer Security. Yuri can be found as Windows Community Moderator and Wiki Author on Microsoft Answers and is active on different communities all across the web.


  1. Awesome. Windows Update broke my Access installation, but these step-by-step instructions let me fix it quickly. Thanks!

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