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It seems Microsoft has tried to solve this problem Multi-monitors and the corners of the screen.

In Windows 7, there is no boundary between monitors and the mouse can move freely across the top of the screen between my 3 monitors, provided I had set their heights equal in display settings. Windows 8 introduced sticky corners. See this question.

Windows 10 got sticky corners as well. There are a few pixels at the top corners of each display where the mouse cannot cross over onto the other display. One must move the cursor down to avoid this region in order to get to the next display.

The image shows roughly the region where mouse movement is not permitted in Windows 10, but is allowed in Windows 7.

enter image description here

Personally, I had no problem with unrestricted mouse movement across the top of my screens - I got used to "aiming" for the x, and the convenience of unrestricted cursor movement. Like all the people who wanted to disable it in W8, I'm wondering if there is a way to disable it in W10.

Edit to address possible duplicate:

Although the problem is identical to the one in this question, solutions to solve the problem in W8 involving editing the registry key MouseCornerClipLength do not work in W10, since that registry key is not present in W10. Also adding that key and setting the value doesn't work. I searched the entire registry and couldn't find it in another location. No other W10 keys in the node referenced in the W8 solution are obvious replacements.

Edit to address possible solutions in comments

harrymc's suggestion 1 and suggestion 2 that worked for for Windows 8.1 do not work in Windows 10.

djv
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  • No idea, but I think I'll like that feature :) Fitts's Law Apparently Apple changed their "close window" widget from extending to the edge of the display to a smaller circle, and the "perceived size" of that went from a nearly infinitely sized target to a teeny-tiny target. This feature makes the target bigger! – Steve Jul 30 '15 at 20:52
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    This has not just to do with the close window button, but other things. For instance, moving a window from one display to the next. You used to be able to drag the display directly across the top of the display into the other one. Now you must move it down while dragging then move it back up. I was crashing into boundaries all last night after installing W10. I can't believe more people haven't complained :) – djv Jul 30 '15 at 21:06
  • Just a note but you might try adding those keys where they were in 8. Sometimes keys will still work but are not present in the first place. Make sure it is the same type and capitalization. (Note. Be careful doing this. Any registry adjustment is at your own risk. Blah blah blah.) – birdman3131 Jul 31 '15 at 15:43
  • @birdman3131 It doesn't work, well didn't in the beta http://superuser.com/questions/935912/how-to-disable-sticky-corners-in-windows-10 – djv Jul 31 '15 at 16:08
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    I was not sure hence why i added it as a comment rather than an answer. Thanks for the info. – birdman3131 Jul 31 '15 at 16:12
  • Do these solution from W8.1 work in W10 : link1 and link2 ? – harrymc Aug 04 '15 at 18:34
  • @harrymc neither solution works in W10. Thanks though – djv Aug 04 '15 at 21:28
  • W10 is too new. It might take some time until a solution is found. – harrymc Aug 05 '15 at 06:02
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    @harrymc despite a long and widely participated in beta – djv Aug 05 '15 at 15:01
  • The hackers will only get interested when the user-base is large enough. – harrymc Aug 05 '15 at 17:33
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    I just want to cry whenever I accidentally close an application by accident thinking that some programmer at Microsoft spent time implementing this stupid feature and did not think one second that people would click on the X button when all they wanted to do was giving the focus to a window on the other screen. Design books will talk about this one in the future – Jean-Simon Brochu Mar 09 '17 at 13:45
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    @djv: You can use Win+Shift+Arrows to move apps from one display to the other. It's much faster than dragging them. Sticky Corners still very much suck, though. – Eric Duminil Mar 14 '19 at 11:16
  • It's still a problem in 2023. There is an open problem report in the Feedback-Hub, but think it needs more upvotes to be noticed by Microsoft. – Anateus Feb 03 '23 at 12:23

11 Answers11

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The thread How to disable sticky corners in Windows 10? from answers.microsoft.com treats this same problem :

When moving the mouse from the left monitor to to the top left of the right monitor the 6 pixel corner will catch your mouse.

I have similar problem in windows 8.1 and changing MouseCornerClipLength in registry to 0 from 6 and disable Corner Navigation in Taskbar and Start menu properties helped.

Anyway in Win10 i can't find MouseCornerClipLength, Corner Navigation disabled at all and adding same registry keys won't help.

The answer on June 4, 2015, by a Microsoft Support Engineer named Vijay B was :

We are aware of this issue and it is currently being investigated. Stay tuned and we will update this thread when additional information becomes available.

If any other posters experiencing this have not submitted this through the Windows Feedback App, please do so. This article http://answers.microsoft.com/en-us/insider/forum/insider_apps-insider_feedback/how-to-share-feedback-on-windows-10-technical/5e501781-a580-43e3-8926-40ae19343805 explains using the Windows Feedback App.

It seems that your only option is currently to wait for a future improvement, or for some hacker to come up with the right hack. Adding your voice to the Windows Feedback App might help.

[EDIT1] The open-source application Non Stick Mouse is said to offer a solution in the case of multiple monitors. The developer states:

What it does is hop the mouse over the sticking corners, as well as the screen edges when moving windows. Thus it allows the dragging of windows through screens without your mouse getting hijacked by the Snap Assist.
[...]
This application does not read or write to any drive, it does not access the registry or connect to the Internet.

Warning: It has been noted in the comments that virustotal finds malware in the latest version of "non stick mouse".

[EDIT2]

I have found a source that gives a solution for Windows 10 (which I'm unable to test now):

  1. Disable Snap
    In Settings > System > Multitasking, set Snap to Off.

  2. Registry modification
    Create and execute the following .reg file:

     Windows Registry Editor Version 5.00
    

    [HKEY_CURRENT_USER\Control Panel\Desktop] "MouseMonitorEscapeSpeed"=dword:00000001

    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ImmersiveShell\EdgeUI] "MouseMonitorEscapeSpeed"=-

[EDIT3] Microsoft might have finally disabled this in its latest versions.

harrymc
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    Nearly three months later. Just updated to Windows 10 and this is still an issue. Thanks for pointing me in the direction of where to complain. – Chaser324 Oct 29 '15 at 07:43
  • Is this still an issue? No settings for this implemented yet? – Madmenyo Feb 29 '16 at 11:24
  • As of writing this, this is still an issue. – Bart van Nierop Apr 01 '16 at 17:28
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    Please, if you give feedback in the Feedback App, either simply vote for whichever one of the many existing posts has the most votes instead of (or at least in addition to) creating another post. Or add a new post and upvote All of the existing posts (which is what I did). I don't see any other way to resolve the issue than to sufficiently raise awareness. – jinglesthula May 23 '16 at 15:51
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    Still an issue in 2017 – Keith Feb 02 '17 at 18:08
  • multiple detections in virustotal for the latest "non stick mouse". https://www.virustotal.com/#/file/4f9f99121284f7d36102d5001075ece7c0989ccb99d5dfc783c1515edcaf1b6c/detection – Neuralrank Aug 11 '17 at 11:53
  • @Neuralrank: Thanks, I have added a warning. – harrymc Aug 11 '17 at 14:15
  • How does it take 3 years to fix such a simple issue? It's 2018 and still nothing. – WillB3 May 04 '18 at 21:48
  • @harrymc The utility's creator posted the source code on Github, so people can see it's not a virus. Unfortunately, that doesn't stop AVs from quarantining it. – mbomb007 Sep 20 '18 at 14:04
  • @mbomb007: Usually one can add an exception to the antivirus. – harrymc Sep 20 '18 at 14:06
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    @harrymc Not if you're at work. Then someone else manages that. – mbomb007 Sep 20 '18 at 14:16
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    Still an issue at the end of 2018, they'll never fix it. – Arthur Castro Nov 06 '18 at 14:39
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    The year is 2019, still no improvement. – CustomX Apr 24 '19 at 11:18
  • Microsoft often improves their software HAHAHAHA I'm kidding, anyone who used the windows 98 display properties box that does not fit on the screen knows that what you see in version 1.0 is what you get until end-of-life – user1445967 May 28 '19 at 17:22
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    2020 checking in, still no fix – Hoog Feb 14 '20 at 15:04
  • Also checking in, 2020. Latest company laptop "refresh" moves me from 7 to 10, and this horrible productivity-dinging "feature" is apparently STILL unfixable. (And for any type of security-conscious company's laptops, you can forget about any "homegrown" solution.) – Jeff Y Mar 04 '20 at 17:33
  • @JeffY: See if my second Edit above helps in any way. – harrymc Mar 04 '20 at 18:03
  • No, sorry, that didn't help. :-( I rebooted after the suggested reg changes as the link says. Several tries with different configs based on the link and your reg code (hand implemented). – Jeff Y Mar 04 '20 at 20:28
  • I've tried the reg-fix and Non-stick-mouse. I found that NSM didn't work so well - if I put my PC to sleep, the task would get stuck somehow and the sticky would return ... I've always hated sticky things! The registry hack seems to work for me, however, I didn't have the HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ImmersiveShell\EdgeUI key on my PC, so that may be worth investigating. – Paul Jul 24 '20 at 19:19
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    Hello 2021, sticky corners still a thing... – Toni Mar 18 '21 at 13:34
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    -1 because it didn't work and the up-vote score is very misleading. Dale's MouseUnSnag solution works nicely. – JimFred Jun 18 '21 at 13:15
  • Appreciate the effort here, I downvoted because the registry solution did not work for me on Windows 10. – user1445967 Aug 27 '21 at 17:01
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    Downvoting in 2021 a very useful answer from 2015 because it doesn't work any more is pointless. There are many old answers here that don't work any more, no point in downvoting them all. I believe that a comment in such a case is enough. – harrymc Aug 27 '21 at 17:10
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    The tiny app MouseUnSnag works perfectly now in Windows 10. It was written in C# originally by dale below and now lives at https://github.com/MouseUnSnag/MouseUnSnag. I'd recommend folks give it a shot! – patricknelson Dec 20 '21 at 07:20
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  • Problem is still going on. We need a little of patient to finish a whole decade of Windows ignoring the hell out of us <3
  • – ARGMAN Apr 08 '23 at 01:10