Why does the window freeze when adding a SHAP-IN application in the MMC function?

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Dear דוד אטיאס

Thank you for posting your question on the Q&A forum.

Based on your description, it’s clear that you’ve already done some research and attempted several troubleshooting steps and I truly appreciate your initiative.

At this point, I’d like to suggest testing the following configuration to help isolate the issue:

1. Open Settings (Win + I) > Time & language > Language & region
2. If English (United States) is not already listed, please add it
3. Set English (United States) as your Windows display language
4. Sign out or restart your computer to apply the changes
5. Once restarted, try launching MMC and adding application again

Optional: consider setting the system locale to English (United States). This may improve compatibility with older applications.

The reason I’m recommending this is that, during my research, I came across reports from other users experiencing similar issues when using mixed language environments in Windows, particularly in versions like 24H2. There’s a possibility that your situation is related. In such cases, standard troubleshooting methods like Safe Mode or DISM may not be effective.

Please try switching the system language entirely to English and see if that helps as a temporary workaround.

I look forward to hearing the results of your test.

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