

Click on Default apps on the left pane.Ĥ. Launch Settings by pressing Windows + I keys together.ģ. Follow the steps below to switch to a different browser:ġ. If the XPCOM error with the Firefox Web Browser is still not resolved, you can try switching to another Web Browser like Google Chrome.

If the speed is low, try using any other Wi-Fi network for browsing on Firefox.You can check the speed of the connection using the Speed test and assess its quality. Press the Windows key, click on the Power button at the bottom-left corner, and click on the Restart option to restart your PC.Īn unstable Internet connection may hinder you from using the Firefox browser.
#Update mozilla firefox for windows 10 Pc
There might be some glitches on your PC that prevent you from using the Firefox browser you can restart your PC to fix the error. The first approach to solve the Couldn’t load XPCOM error is to try the basic troubleshooting methods listed in this section.

#Update mozilla firefox for windows 10 how to
How to Fix Mozilla Firefox Couldn’t Load XPCOM Error on Windows 10 Method 8: Modify Tor Web Browser Settings.Method 1: Basic Troubleshooting Methods.How to Fix Mozilla Firefox Couldn’t Load XPCOM Error on Windows 10.
