windows update not updating 0x800700c1

[BJ Wingstar]

hello microsoft, please help me. for the past few months my laptop has not been updating and its been stuck on 21h1 for a long time. i try to update it but it always fails. i tried to use a window disc to upgrade it, but it always ends up as installation failed. now i have a problem with this error, and im not sure what to do so pls help.

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