Hi,
We haven't seen this problem in house, but nethertheless, if you could provide the information I request, I'll raise a bug and see what we can do in time for a future release.
I would first recommend waiting for the final 5.2 release due very soon, otherwise our first advice will be to upgrade. Secondly, make sure your graphics card drivers are up too date.
Next, as soon as the problem rears itself, copy the files you find at C:\Program Files\DisplayLink Core Software\Debug. These debug files provide a log of the drivers behaviour, allowing us to diagnose the problem. You should zip them, and post the zip here.
There are some things you might like to try. If you go to Control Panel\System and Security\Administrative Tools :: Services and look down the list, you should find DisplayLinkService. Restarting this and letting us know whether that makes any difference would be useful. In the same list, you will also find Desktop Window Manager Session Manager. You can also try restarting this.
Best of luck,
Martin
DisplayLink
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