Xpcom_core.dll is a module that is associated with Mozilla Foundation’s Firefox.
You may get an error message that looks like the one below upon opening Firefox:
This application has failed to start because xpcom_core.dll was not found. Re-installing the application may fix this problem.
If you are experiencing this problem, you might resolve the issue using the following methods.
- Go to your Mozilla directory.
- Locate npmozax.dll.
- Delete npmozax.dll.
- Save your profile.
- Uninstall Mozilla Firefox.
- Reboot your machine.
- Reinstall the browser.
If you are using Windows XP, do the following.
- Copy the following files from C:\Program Files\Mozilla Firefox:xpcom.dll
- Place the files you copied into the C:\WINDOWS\system32 folder.
- Reboot your computer.
- Check to see if the error message appears again when you open Mozilla Firefox.
- If the error message no longer appears, consider yourself done.
- If the error message continues to appear, proceed to the next step.
- Place the files you copied into your Windows folder to make the error go away.
- Backup your profile data.
- Uninstall Firefox.
- Download the Firefox installation package.
- Delete the C:\Program Files\Mozilla Firefox folder from your system.
- Reinstall Firefox.
There are many browsers for you to choose from. You may choose to use a particular browser for many different reasons, including better security and protection against attacks and threats. You may have to use a specific browser because of certain company policies.
Your choice of browser depends entirely on what your needs are. Security often ranks at the top of the list for most users.
However, you shouldn’t limit your protection to the browser you are using. Give yourself added protection by using an antivirus program that has been recommended by experts. Pair this with a trusted anti-spyware program to boost your protection.
A browser, even if purportedly secure, will still not be enough to protect you from attacks. Protect your system and your personal data from malware threats. Select your antivirus and anti-spyware programs carefully.
These two programs, along with a good and secure browser, can help prevent and minimize the chances of malware successfully attacking your system.