Plugin Companion Broker Process Is Not Running Jun 2026

If the broker process files are corrupted, a simple update often replaces them.

Close all windows of Microsoft Edge or Chrome, ensure they are fully closed in the Task Manager (Ctrl + Shift + Esc) , and relaunch.

Modern software architectures often utilize a "broker" pattern to ensure stability. Instead of running plugins directly within the main application thread (which can cause the main app to crash if a plugin fails), the host launches a .

Open the .vmx file of the affected VM in a text editor. Remove any lines related to unused plugins, such as: If the broker process files are corrupted, a

Sometimes these processes are part of a Windows component. Check Settings > Update & Security > Check for updates .

Given the broad nature of the issue, here are some generic tips on finding useful articles: Instead of running plugins directly within the main

Resolving the error typically involves a progression from simple to more advanced fixes:

The error message "plugin companion broker process is not running" indicates a failure in a subsidiary architectural component responsible for managing communication between a host application and its plugins. This specific error suggests that the host application successfully initialized, but the separate background process (the "Broker") intended to handle plugin lifecycle or inter-process communication (IPC) failed to start or crashed immediately upon launch.