What is Pacjsworker.exe & How to Fix Its High CPU Usage

Closing running processes is very effective

3 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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You will find many files and applications if you open the System32 Windows folder on your computer. Among these is the Pacjsworker.exe program.

In this guide, We explain its use and dive into some practical solutions if it causeshigh CPU usageon your device.

What is Pacjsworker.exe?

Pacjsworker.exe is a genuine process and component of the Windows operating system. The name stands for Proxy Auto-Configuration JavaScript Worker and is responsible for identifying andsetting up proxy serversfor network connections.

What causes Pacjsworker.exe to use a high CPU?

How do I fix pacjsworker.exehigh CPU usage?

You should fist consider the following workarounds:

However, if the high CPU usage continues after these pre-solutions, proceed to the fixes below.

1. Reset your proxy settings

2. Update drivers

Outbyte Driver Updater

3. End Task Manager processes

This executable is important for your proxy servers to work properly. So rather than remove it, we recommend using the solutions above to fix high CPU errors.

We have written an extensive guide to help you learn more aboutfixing proxy errors on a Windows 11computer.

If you have further questions or new solutions, our readers will like to hear from you in the comments section below.

What is Pacjsworker.exe & How to Fix Its High CPU Usage#

What is Pacjsworker.exe?#

What causes Pacjsworker.exe to use a high CPU?#

How do I fix pacjsworker.exehigh CPU usage?#

1. Reset your proxy settings#

2. Update drivers#

Outbyte Driver Updater#

3. End Task Manager processes#