How to Fix High CPU Usage on Signal Desktop: 4 Effective Solutions

Many users face challenges with Signal Desktop experiencing excessive CPU usage. While this may not interfere directly with the application’s functionality, it can affect overall system performance. Let’s explore some effective solutions to address this issue.

How can I resolve high CPU usage in Signal Desktop?

Before diving into other solutions, try closing the chat using Ctrl + Shift + C. While this is merely a temporary workaround, it may alleviate some of the strain.

1. Update to the latest version

1. If there’s an update available, you’ll notice a blue banner within the app.
2. Click on it to initiate the download process.
3. After installation, verify if the issue persists.

If no updates are present, consider trying the beta version of the application.

2. Reinstall Signal Desktop

1. Access the Start Menu and select Settings.
   

   

2. Go to Apps and then click on Installed apps.
   

   

3. Find Signal in the list, click on the three dots next to it, and select Uninstall.
   

   

4. After removing it, download Signal Desktop again.

Some users have reported that reverting to an earlier version has resolved their issues, so this could be worth trying.

3. Clear Signal data

1. Press Windows + R to open the Run dialog, then type %appdata%
   

   

2. Locate the Signal folder.
3. Delete all contents within this folder.
4. Restart the application.

Keep in mind that this action will restore Signal to its original state, meaning all your settings and messages will be erased. It is advisable to perform this step after uninstalling the app to ensure all relevant files have been removed.

4. Turn off sound notifications

1. Open the settings menu in Signal.
2. Head to the Notifications section and uncheck Play notification sounds.
   

   

3. Make sure to save the changes.

Experiencing high CPU usage in Signal Desktop can detrimentally affect the performance of other applications and your overall user experience. Keeping the app updated or opting for a reinstall are some of the best remedies for this issue.

Author: Egor Kostenko

My goal is to make complex technical topics simple and accessible. On this site, I gather unique and useful content that not only solves users’ problems but also helps them better understand the capabilities of Windows.