How do I fix XPCOM error in Firefox?

How do I fix XPCOM error in Firefox?

How do I fix XPCOM loading errors?

  1. Consider using another browser.
  2. Completely remove Firefox and reinstall it.
  3. Create a new Firefox profile.
  4. Delete everything from Temp folder and disable your antivirus program.
  5. Couldn’t load XPCOM on Tor.

Why does my Firefox say couldn’t load XPCOM?

An error message about XPCOM missing or about platform version usually happens because of a failed Firefox update that left you with a mixture of old and updated files in the Firefox program folder.

How do I fix couldn’t load XPCOM?

Fix: Couldn’t Load XPCOM

  1. Method 1: Repair Corrupt Files.
  2. Method 2: Simply Upgrade/Reinstall.
  3. Method 3: Back up and do a Clean Install.

What causes XPCOM error?

The XPCOM error, may caused on a Windows based computer whenever a user tries to open Mozilla Firefox after a Windows Update or if the Firefox’s profile folder is corrupted. Firefox’s profile folder corruption may happen after a virus attack or after installing a third party extension on your Firefox browser.

What is XPCOM in Thunderbird?

XPCOM stands for Cross-Platform Component Object Model. This error is likely caused by a corrupt install. If you follow these instructions, you will still keep your profile (emails, accounts, extensions, etc.) Certain Thunderbird problems can be solved by performing a Clean reinstall.

What does couldn’t load XPCOM mean?

Why are my download failing?

Internet connectivity or stability issues Issues with Internet connectivity and the stability of the connection can cause downloads to fail, especially if the Internet connection is interrupted. When an Internet connection is unstable, it may disconnect and reconnect intermittently.

What is XPCOM file?

The XPCOM error is caused on a Windows-based computer whenever a user tries to open Mozilla Firefox after a Windows Update or if the Firefox’s profile folder is corrupted. Firefox’s profile folder corruption may happen after a virus attack or after installing a third-party extension on your Firefox browser.

Can Thunderbird load Xpcom?

This error is likely caused by a corrupt install. If you follow these instructions, you will still keep your profile (emails, accounts, extensions, etc.) Certain Thunderbird problems can be solved by performing a ”Clean reinstall”. This means you remove Thunderbird’s program files and then reinstall Thunderbird.