microsoft / microsoft/PowerToys
Taskbar thumbnail theme alternates from windows theme
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Description
Microsoft PowerToys version
0.100.0
Installation method
PowerToys auto-update
Area(s) with issue?
Light Switch
Steps to reproduce
- Setup light switch to switch entire windows theme including apps to light and dark theme automativally.
- Trigger the shortcut to switch the theme between light and dark.
✔️ Expected Behavior
The taskbar thumbnail should follow the windows theme.
❌ Actual Behavior
When the windows theme is on light mode, the thumbnail switches to dark mode and vice-versa. it gets fixed after restarting explorer.exe
Upload Bug Report ZIP-file
PowerToysReport_2026-06-17-15-11-07.zip
Additional Information
OS: windows 11..0.26220.8680
.NET: v9
Other Software
explorerpatcher: v26100.8457.70.2
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Light Switch implementation and reproduce the issue by switching between light and dark modes with the shortcut. Compare the taskbar thumbnail theme before and after the switch, including behavior after restarting explorer.exe. Done means the thumbnail follows the Windows theme without requiring an Explorer restart.
Written by the indexing model from the issue text.
Assessment
- Domain
- desktop, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100