Hi!
Remove all drivers from all webcams. Disconnect all cameras and open Device Manager (Windows + X > Device Manager) > Under View, click "Show hidden devices" > Expand Cameras > Right-click > Uninstall all devices in this tab, including those that are grayed out (hidden) > Restart your computer > Insert the webcam and test it.
If the problem persists, try repairing it using Windows Update.
- Open Windows Settings by pressing WINDOWS + I > Select "System" from the Side Menu > Click on the "Recovery" option.
- Under "Fix problems using Windows Update", click on "Reinstall Now" > Wait for the entire procedure to be completed.
NOTE: This procedure may take some time depending on the computer specifications and number of files.