Win10 (2004), f.lux 4.118, opening Notifications pane toggles f.lux off



  • Hi,

    I'm running Windows 10 (2004) and f.lux 4.118 on a Dell Latitude 7480 (Intel UHD Graphics 620) and a utechsmart USB-C hub with HDMI connected 2nd monitor.

    I find that intermittently, opening the Notifications pane in Win10 toggles f.lux off, and as soon as I close the notifications pane, f.lux toggles back on.

    As mentioned, this is intermittent, but common enough to occur daily.
    This is only noticable in the evening (i.e. after 6pm).

    Intel Corporation 27.20.100.8280: Intel(R) UHD Graphics 620 (20200519)

    Dell U2913WM (HDMI), 673 x 284mm, built 2012
    Chromaticities:
    R=0.639648 0.330078
    G=0.299805 0.599609
    B=0.150391 0.059570
    W=0.313477 0.329102
    sRGB gamut: 100%, AdobeRGB gamut: 64%

    Generic PnP Monitor, 309 x 173mm, built 2016
    Chromaticities:
    R=0.639648 0.330078
    G=0.299805 0.599609
    B=0.150391 0.059570
    W=0.313477 0.329102
    sRGB gamut: 100%, AdobeRGB gamut: 64%

    Winlimit=0, 0
    Monitor 1 on Intel(R) UHD Graphics 620: VCGT=0 gamma=1
    Monitor 2 on Intel(R) UHD Graphics 620: VCGT=0 gamma=1

    Windows Build: 19041.388



  • Same issue but it goes deeper. Since Windows updated to 2004, f.lux has had a habit of switching itself off intermittently when I open notifications, the settings app, and other Windows accessories. When I start my laptop it's active, and within a few seconds it switches off and I can only turn it back on by clicking on my taskbar, and if I'm active for a long time, it'll sometimes switch off again. Night light mode is off and I use f.lux as my default blue light filter at 4000K during the day, so it's incredibly noticeable. MSI GP63 Leopard 8RD, Intel Core i7-8750H CPU @ 2.20GHz, NVIDIA GeForce 1050 Ti.


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