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"Corner navigation" has been working fine all along, but suddenly it stops working. Nothing happens when the mouse is pointed to the top-left nor the top-right.

"PC and devices → Corners and devices" correctly shows:

enter image description here

Have tried refreshing the settings by setting them to "Off" and then "On" again, but it still doesn't work.

I suspect the process or service equivalent might've crashed. How can we restart it?


• Tested on Win 8.1 (6.3.9600 N/A Build 9600).
• Haven't been touching any screen settings, so it's unlikely that the failure is due to the mouse failing to grasp the exact location.
• Restarting isn't an option.
• Haven't been changing the "Corner Navigation" setting nor any other user setting. Just messing with some Bluetooth stuff (PC and devices → Bluetooth) when I realized the corner navigation has suddenly stopped working.

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  • Verify the integrity of the system image by running SFC and DISM
    – Ramhound
    Nov 5, 2015 at 11:49
  • @Ramhound, Ok, am currently running sfc /verifyonly. I'd think this'll take an hour. Btw, what are the pertinent files that needs to be checked? Are you referring to the command dism /online /cleanup-image /restorehealth?
    – Pacerier
    Nov 5, 2015 at 14:02
  • Using those tools will verify all the files that need to be checked.
    – Ramhound
    Nov 5, 2015 at 14:07
  • @Ramhound. Hmm, while the /verifyonly scan was still running, somehow the problem was solved. I think I solved it by locking the user acc. Either that, or it's due to logging in to another user acc. In any case, this is the result: i.stack.imgur.com/73JJx.png. The logs can be found at amazon.com/clouddrive/share/…. Btw, why had you suggested to run sfc? How is the scan relevant to the question?
    – Pacerier
    Nov 5, 2015 at 21:26
  • I suspected system corruption and those tools can fix it
    – Ramhound
    Nov 5, 2015 at 21:30

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