Taskbar icon incorrect in "Always" grouping mode

[tamboril]

• [ ] The Mintty icon in the taskbar sometimes shows up as the Windows default icon (see screenshot) for programs that don't have an icon. If I change the taskbar behavior to show names, and if the taskbar buttons overflow to the "..." area, then it shows correctly. It shows correctly in the window's title bar. I does this when launched from git-bash.exe in the distribution; so it is not a shortcut issue. From what I've read about Mintty, this is somehow related to taskbar grouping and AppID.

Setup

• Which version of Git for Windows are you using? Is it 32-bit or 64-bit?

git version 2.45.2.windows.1
cpu: x86_64
built from commit: 91d03cb2e4fbf6ad961ace739b8a646868cb154d
sizeof-long: 4
sizeof-size_t: 8
shell-path: /bin/sh
feature: fsmonitor--daemon

• Which version of Windows are you running? Vista, 7, 8, 10? Is it 32-bit or 64-bit?

Microsoft Windows [Version 10.0.22631.3447]

• What options did you set as part of the installation? Or did you choose the defaults?

Editor Option: VIM
Custom Editor Path:
Default Branch Option:
Path Option: Cmd
SSH Option: OpenSSH
Tortoise Option: false
CURL Option: WinSSL
CRLF Option: CRLFCommitAsIs
Bash Terminal Option: MinTTY
Git Pull Behavior Option: Rebase
Use Credential Manager: Enabled
Performance Tweaks FSCache: Enabled
Enable Symlinks: Disabled
Enable Pseudo Console Support: Disabled
Enable FSMonitor: Enabled

• Any other interesting things about your environment that might be related to the issue you're seeing?

The icon used to work correctly, I think before a recent update. I did try creating a shortcut and setting its AppID with the win7appid program I found on the Mintty site, but still no joy.

BTW, this is even after several reboots and fully clearing the icon cache.

[dscho]

• The Mintty icon in the taskbar sometimes shows up as the Windows default icon (see screenshot) for programs that don't have an icon.

Could you please work on providing a Minimal, Complete & Verifiable Example?