missing api-ms-win-core-libraryloader-l1-1-1.dll preventing me from upgrading to windows 10

Anonymous
2017-12-19T17:27:14+00:00

I'm currently on windows 7 and whenever I run Windows 10 upgrade assistant it gets to 99 then tells me I'm missing api-ms-win-core-libraryloader-l1-1-1.dll. I've tried running it on a clean boot, I've ran system cleanups to repair any corrupt files, I tried removing my antivirus, and still it won't work.

Does anyone have any other methods to fix so I can upgrade? any help appreciated!

Windows for home | Previous Windows versions | Install and upgrade

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  1. Anonymous
    2017-12-25T07:34:41+00:00

    Error message was: "api-ms--win-core-libraryloader-l1-1-1.dll is missing"

    This worked for me also.

    I copy and paste wimgapi.dll from C: Windows/System32/wimgapi.dll to "Windows10Upgrade" folder.

    Thanks Burnett

    Uttam

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  2. Anonymous
    2017-12-25T17:04:38+00:00

    Thank you for fix to issue.  Merry Christmas

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  3. Anonymous
    2017-12-27T17:06:53+00:00

    Try replacing C:\Windows10Upgrade\wimgapi.dll with C:\Windows\System32\wimgapi.dll.

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  4. Anonymous
    2017-12-27T17:15:51+00:00

    Sudopro,

    I found several things to try, and I tried several things. This specifically did work. Thank you for your help. Doug

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  5. Anonymous
    2017-12-28T10:26:06+00:00

    You save my day Ed!!! Thanks a lot!! :-)

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