Operation and MaintenanceWindows Operation and MaintenanceWhat should I do if the browser security certificate of win7 system has expired?What should I do if the browser security certificate of win7 system has expired?
Press win r to open the run window, enter mmc, and press Enter
In the window, click on the file and select Add/Delete Snap-in
In the interface, click Certificate → Add
and select: My User Account, click OK
Then find the certificate prompted by the browser on the right and delete it
Finally we reopen the browser , click View Certificate, and then install the certificate - install it to a trusted certificate authority.
Recommended tutorial: windows tutorial
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