I've added Slack to the notification area of the taskbar by going to Settings and finding Select which icons appear on the taskbar section. I switched Slack on on and all was good.

Eventually, after a month or two, Slack disappears. I go back into Select which icons appear on the taskbar section and sure enough, Slack is set to off.

I suspect that's because Slack keeps updating itself and the EXE itself is changing. But that's just a guess.

What can I do to fix this problem?

P.S. Clarification. Windows 10 doesn't have "Only Show Notifications" - that's Windows 8.x. It's either on or off. As in image below:

enter image description here

  • Slack is set to off. Is that what its new setting says? Or is it "Only show notifications?" (or something else?) Oct 4, 2017 at 1:04
  • @Twisty I updated the question regarding the setting to address your question. Plus image. Oct 4, 2017 at 17:50
  • Helpful! I mistakenly looked at a Server 2012 R2 machine for reference, forgetting that doesn't have feature parity with Win 10. Oct 4, 2017 at 18:22
  • I really want to know this too. Its frustrating.
    – O'Rooney
    Oct 2, 2018 at 3:02
  • @O'Rooney Oh, I totally forgot to update the question. I suspected that they were not setting AppID in their installer (because I had a similar issue in my windows app years ago). Without it, Windows can't tell that a previous install is connected to the new install. Therefore, it would remove it from the notification list. I actually contacted their tech support and that in fact is the issue. It's on their "to do" list. Oct 2, 2018 at 20:57

1 Answer 1


I contacted Slack support and they said:

Unfortunately this is a really annoying bug we have in the desktop app. When a new update is installed, it's placed in its own subdirectory within the Slack folder inside your %localappdata% folder.

From that, Windows picks this new version up as a new application and returns it back to the hidden area of your tray. This is something we're hoping to have fixed in a future release by adjusting our updates. Sadly, I don't have an ETA on when that change may occur

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