microsoft / microsoft/PowerToys

Alt+Scroll Issue with Illustrator and PowerToys

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Issue-Bug Needs-Triage Product-Grab And Move
Dominant language
C
Stars
139k
Forks
8.6k
PR merge metrics
PR metrics pending

Description

### Microsoft PowerToys version

0.99.1

### Installation method

Microsoft Store

### Area(s) with issue?

Grab And Move

### Steps to reproduce

Install PowerToys v0.99.1 and enable Grab & Move.
Open Adobe Illustrator 29.6 (Illustrator 2025) on Windows 11 25H2 (build 26200.8246).
Run Illustrator under normal user privileges.
Press and hold Alt and scroll the mouse wheel.

### ✔️ Expected Behavior

Illustrator should zoom in/out using Alt + mouse wheel as normal.

### ❌ Actual Behavior

Zoom does not occur when Alt + scroll is pressed.
Ctrl + space + drag zoom still works normally.
After disabling Grab & Move, Alt + scroll restores functionality.

### Upload Bug Report ZIP-file

_No response_

### Additional Information

Adobe Illustrator 29.6 (Illustrator 2025)
Windows 11 25H2 (Build 26200.8246)
PowerToys v0.99.1
Standard USB mouse (no special drivers)
.NET installed at D:\Program Files\dotnet, with DOTNET_ROOT and Path set correctly.

Issue occurs only when Grab & Move is enabled.
Alt + scroll works for a few seconds after system start, then fails.
Indicates Grab & Move registers a global mouse hook interfering with Illustrator's Alt + scroll handling.

### Other Software

_No response_

Contributor guide

Open the contributing guide

Research direction

Start in the Grab & Move implementation and reproduce the issue with PowerToys 0.99.1, Illustrator 29.6, and Windows 11 25H2 using Alt plus mouse-wheel scrolling. Compare behavior with Grab & Move enabled and disabled, then trace the input handling involved. Done means Illustrator's Alt+scroll zoom works while Grab & Move remains enabled without breaking its existing behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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