How to delete remnants of notification area icon

SC2 2017-12-05

2024-04-01

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Verification: Windows 7 32bit,

To customize the behavior of icons in the notification area, click ∇ and click "Customize".

Selectable actions

Show icons and notifications
Hide icons and notifications
Show notifications only

Past programs are listed up

When transitioning to the customization screen (selection of icons and notifications displayed on the task bar), two programs of the same name were listed.

Cause to be listed

The history of the icon displayed in the notification area is recorded in the TrayNotify key of the registry and it seems that it accumulates with the additional writing method.

We, the same software may be installed / uninstalled more than once, there are times when you change the installation location, so it seems that such symptoms are occurring.

How to initialize notification area icon

There is a danger that the system will not start up in the worst case if you mistakenly operate the registry. If you are worried about manipulating the registry, let's give up the following procedure. Let's take a backup before operating the registry.

Since it is not possible to delete only the specific program history, delete the three values under the TrayNotify key and initialize it.

Delete the corresponding key and restart the computer to repair it.

HKEY_CURRENT_USER \ Software \ Classes \ Local Settings \ Software \ Microsoft \ Windows \ CurrentVersion \ TrayNotify

IconStreams
PastIconsStream
PromotedIconCache

Not initialized?

In my environment initialization work did not work.
Last time it went fine ... Is that a mystery? ('ω')

Convenient command line

Since the initialization work is not going well, I went to the site introducing the .bat file when I was going to go with that.

After all it was able to initialize after creating the .bat file and running it. Thanks to Mr. Akutsu!

.BAT
@ echo off
setlocal
set KEY = HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify
reg delete "% KEY%" /f /v IconStreams
reg delete "% KEY%" /f /v PastIconsStream
reg delete "% KEY%" /f /v PromotedIconCache
taskkill /F /IM explorer.exe
start explorer.exe
endlocal
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