How to Fix Xpcom.dll Error

Xpcom.dll Error Code – What is it?

To understand the Xpcom.dll error better, first, you need to know what Xpcom.dll file is. Xpcom.dll is basically a typical DLL (Dynamic Link Library) file. It is associated with Firefox developed by Mozilla Foundation for the Windows Operating System.

DLL file contains small programs similar to exe (executable) files. Just like any other DLL file, Xpcom.dll helps loads and run programs smoothly. Xpcom.dll functions as a shared file that can be used to run multiple programs on your PC.

Xpcom.dll error code occurs when Windows cannot properly load the xpcom.dll file. The error may pop up on the screen in any one of the following formats:

  • “Xpcom.dll not found.”
  • “The file xpcom.dll is missing.”
  • “Cannot register xpcom.dll.”
  • “Cannot find C:\Windows\System32\xpcom.dll.”
  • “This application failed to start because xpcom.dll was not found. Re-installing the application may fix this problem.”
  • “Xpcom.dll Access Violation.”
  • “Cannot start Firefox. A required component is missing: xpcom.dll. Please install Firefox again.”

The xpcom.dll error can occur during program installation or while rebooting your PC or when shutting it down.[/section]

Solution

Restoro box imageError Causes

It is difficult to narrow down a single cause of this error code simply because the Xpcom.dll error code may be triggered due to several reasons. Some of the common causes include:

  • Invalid or corrupt xpcom.dll registry entry
  • Viral infection
  • Outdated PC drivers
  • Another program overwrote the required version of xpcom.dll
  • Xpcom.dll file is accidentally deleted or uninstalled
  • Mozilla Foundation hardware failure

Further Information and Manual Repair

Here are the best, quick and easy DIY methods to resolve Xpcom.dll error code on your system within minutes:

Method 1: Update Window Drivers

To resolve the xpcom.dll error on your system, try updating Window drivers. To do this simply use the driver update wizard from within Device Manager.

The driver update wizard walks you through the entire drive update process, making it easy and hassle-free for you to update drivers.

Method 2: Download and Install Xpcom.dll File

Since DLL are shared files and used to run and load multiple programs, it is possible that you might have accidentally removed this file while uninstalling a program on your system. This is the reason why the Xpcom.dll file goes missing.

To retrieve the Xpcom.dll file simply go to the recycle bin. Reinstall the deleted program. However, if it still doesn’t resolve the error, then it is advisable to download and install the Xpcom.dll file from a trusted DLL file website over the internet.

Method 3: Scan for Viruses and Repair the Registry

If the error code occurs due to malware infection or is related to registry issues, then simply download Restoro. This is a user-friendly and multi-functional PC Fixer deployed with 6 scanners including a powerful antivirus and a registry cleaner.

It is compatible with all Windows versions. Simply run it to remove all types of viruses infecting your system and clean/repair the registry.

Click here to download Restoro and resolve the Xpcom.dll error on your PC.

Error tools logo

PRIVACY     TERMS

Copyright © 2021, ErrorTools. All Rights Reserved Trademarks: Microsoft Windows logos are registered trademarks of Microsoft. Disclaimer: ErrorTools.com is not affiliated with Microsoft, nor claim direct affiliation. The information on this page is provided for information purposes only.

Log in with your credentials

Forgot your details?