Q: Windows Live Movie Maker can't start because MagCore.dll is missing This thread is locked from future replies

Error message on WLMM:


The program can’t start because MagCore.dll is missing from your computer. Try reinstalling the program to fix this problem



Hi KayMalone,


Have you made any changes to your computer recently?

Was it working earlier?


I would suggest you to follow the methods below and check if it helps.


Method 1: Try to perform a clean boot and check if it helps.

How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7


NOTE: Make sure that you perform “step 7” in the above link to boot your computer normally after your troubleshoot.


Method 2: If you think there are viruses in your computer, try to scan your computer with Microsoft Safety scanner and check.


Note: Before performing the security scan take a backup of important data.


Hope this helps.

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Question Info

Views: 3,720 Last updated: March 11, 2018 Applies to: