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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.

Pacerier
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  • Verify the integrity of the system image by running SFC and DISM – Ramhound Nov 05 '15 at 11:49
  • @Ramhound, Ok, [am currently](http://i.stack.imgur.com/kKUQT.png) 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`](http://superuser.com/questions/755680/windows-cant-repair-even-with-sfc-scannow#comment1215755_755684)? – Pacerier Nov 05 '15 at 14:02
  • Using those tools will verify all the files that need to be checked. – Ramhound Nov 05 '15 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: http://i.stack.imgur.com/73JJx.png. The logs can be found at https://www.amazon.com/clouddrive/share/wNSIfcLyqhUBOtUq5hMWUC1x7R4rDTkEEPVkVRDhcvE?ref_=cd_ph_share_link_copy. Btw, why had you suggested to run `sfc`? How is the scan relevant to the question? – Pacerier Nov 05 '15 at 21:26
  • I suspected system corruption and those tools can fix it – Ramhound Nov 05 '15 at 21:30
  • @Ramhound, But would they re-run the processes that have crashed? (such that the corner navigation can start working again) – Pacerier Nov 05 '15 at 21:31
  • They don't the last step to fix the corruption is to actually restart the system, logging in and out of the user would have also refreshed those system files. – Ramhound Nov 05 '15 at 21:36
  • @Ramhound, Ic . – Pacerier Nov 05 '15 at 23:54

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