Windows 10 Taskbar bug presented in 1709, worst on 1803 upgrade

Anonymous
2018-04-07T21:24:05+00:00

Hello, my issue is, when after i close any game or any fullscreen application my taskbar icons (close to the clock) it becomes blurry and some disappear...

It should look like this...

After i close a game it turns into blurry icons and some disappear, at this stage is there other bug, it not let me take any PrintScreen, when i try to send the picture to the Paint it becomes a black picture, cant take any desktop picture or fix the blurry icon, unless i reboot computer...

Differences between upgrades:

1709 the issue is almost the same, but its only on the blurry icons.

1803 there are 3 issues, the blurry icons, a few disappear and cant take desktop PrintScreen

I hope you Devs can tell something about it...

PS: This is not important since the update is not released yet, but there is other issue that i find in 1803 with AMD driver, the latest 18.3.4 the system wount boot, it stays stuck on Windows logo, 18.3.3 and older updates works like a charm

PS2: The issue is not on my end, the issue is presented on 7 machines with random hardwares.

OS: Windows 10 x64 Pro

C: NOX HUMMER FullTower

PS: Corsair TX 850w

HS: Thermaltake ProWater 850i

CPU: AMD FX8350 x8 4Ghz

GPU: MSI AMD Radeon RX580 Gaming X+ 8Gb GDDR5

RAM: Kingston (16Gb) 2x8Gb HyperX Fury DDR3 (1866)

MB: MSI 970 Gaming 

SSD: Toshiba Q300

D: LG ULTRA HD 4K TV 43UH610V

Best Regards!

Moved from: [Windows Insider Program / Windows Insider Preview / Desktop and Start / PC]

Windows for home | Windows 10 | Performance and system failures

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  1. Anonymous
    2018-08-01T13:28:10+00:00

    Well, I hope you settle down as quickly as possible, are you already working on the new build? For me they should release updates without upsetting everything.

    I'm currently installing 17728.1000 to test with. But yes, that lack of QA is quite frustrating.

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  2. Giuseppe Russo 5,945 Reputation points
    2018-08-01T11:08:51+00:00

    Well, I hope you settle down as quickly as possible, are you already working on the new build? For me they should release updates without upsetting everything.

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  3. Anonymous
    2018-08-01T02:39:12+00:00

    Okay, I had a long phone conversation with Jason, the Microsoft escalation guy today. I'll try and boil it down to an executive summary.

    So the previously mentioned issues with the overflow notification icons:

    1. Missing app icons
    2. Z-order of overflow window
    3. Spacing between icons (padding) in the overflow window
    4. Blurry icons

    The second issue has been fixed in the "RS5" version - the Windows 10 version that will be released in the Fall (likely version 1809). The newest RS5 insider builds from July (17718 or newer) shouldn't have the problem. And it's actually not a Z-order problem, because the overflow window wasn't actually getting displayed behind the taskbar, but rather "cut off." I'm going to validate this, and see if that also solves the size of the overflow window.

    The third issue (padding) has not been fixed in RS5 yet. Jason can reproduce it easily like the rest of us.

    The first and fourth issues (missing icons and blurry icons) are, at least partially, related. Here's a fun fact - when there are display scaling changes that necessitate the re-creation of the overflow window and its icons, the shell (Explorer process) notifies the running applications that have notification icons, and those apps are supposed to populate their icon in the new overflow window. In version 1803 there were major changes to the display DPI subsystem, and for some reason some of those apps are not re-populating their icon with every overflow window re-creation. Additionally, there is a "built-in" mechanism to Windows that is supposed to handle such apps that don't properly re-create their icons, where it stores a "scan" of the previous tray icon and resizes it for the new overflow window. Blurriness happens over time due to "scans of the resized scans" as those icons keep getting re-created with overflow window re-creations (think of a photocopy of a photocopy of a photocopy.....). There are two Microsoft product icons that have one or the other - Windows Defender has the blurry icon problem, and Skype for Business is one of the icons that disappears. Jason is working with both of those product groups to dig into it.

    If you want to read more, check https://docs.microsoft.com/en-us/windows/desktop/shell/taskbar and search for "Taskbar Creation Notification"

    In summary, it sounds like issue 2 is the only one that will get fixed relatively soon. Issues 1 and 4 sound like 3rd-party vendors may have a role in conforming to a newer subsystem, but ironically some of Microsoft's own apps are included in that.

    I hope this makes sense!

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  4. Giuseppe Russo 5,945 Reputation points
    2018-07-28T12:04:10+00:00

    keep up to date

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  5. Anonymous
    2018-07-27T21:33:49+00:00

    I called Jason late this afternoon (he's on Eastern time I believe), so missed him. I sent him these latest thread updates.

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