When I tried to open Device Manager or the Computer …
MMC cannot open the file C:\WINDOWS\system32\devmgmt.msc. This may be because the file does not exist, is not the MMC console, or was created by a later version of MMC. This may also be because you do not have sufficient access rights to the file. ... Then click Run in the File Download dialog box, and follow the steps in this wizard.
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