The system camera works on both desktop programs and metro application earlier. At some point in time it starts to work for desktop programs only to leave you to look for the cause of the problem. It happened after applying Windows Updates. That means the problem is coming from some drivers installed on your system automatically. These are video drivers from your Windows Update.
Webcam
There is a way to get around the problem by resorting to the following step-by-step instructions below.
Image showing Windows + Key
STEP 1: Press Windows + R key on your keyboard to open 'Run' dialog.
Image showing Run dialog
STEP 2: Type or copy and paste mmc devmgmt.msc into the 'Run' dialog and click 'OK' to continue.
Image of red arrow pointing to where to expand Graphic adapter
STEP 3: At the 'Device Management' click on the little arrow pointing to 'Graphic adapters' to expand it.
Image showing process in red
STEP 4: Right-click on each of the graphic drivers and select 'Delete' to delete it.
Image showing option to restart the system
STEP 5: Click 'Yes' when the system display to restart the system.
Image showing a system restart
STEP 6: Test your camera on 'Metro Apps' and your 'Desktop' after restarting Windows.
