Amazon Q spawns multiple powershell processes every 2 seconds

[andrew-styles]

Describe the bug
In windows when the Amazon Q plugin is enabled it spawns 2 powershell processes every 2 seconds per IDE window.

powershell.exe -NoProfile -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -

To reproduce

1. Enable Amazon Q
2. Restart IDE (Confirmed in WebStorm and PHPStorm)

Expected behavior
Powershell only spawned as needed.

Screenshots

Your Environment

• OS: Windows 11
• JetBrains product: Webstorm
• JetBrains product version:
• AWS Toolkit version: 3.89.251
• SAM CLI version:
• JVM/Python version:
• Amazon Q Version: 3.89.252

Additional context
Seems similar to this issue in VS Code: aws/aws-toolkit-vscode#6134

[astyles-informed-dna]

WebStorm version: Build #PS-252.23892.419, built on August 1, 2025