How To Fix Xvidcore.dll Not Found Error

The “XvidCore.dll not found” or “XvidCore.dll is missing” error is a very common error for Windows. If often appears when you try and play a movie which needs to run the XVid Codec, and your PC is unable to find the file it needs. Fixing this error is pretty straightforward but there are some complications you may need to be aware of.

What Causes The XvidCore.dll error?

The “XvidCore.dll” error is typically caused by several different problems, most notibly:

  • The file is missing and unable to be located by Windows
  • The file is corrupt or outdated and your version of Xvid player needs to be updated
  • The file is infected by malware which causes it to lose integrity

How To Fix The XvidCore.dll error

Step 1 – Reinstall The Xvid Codecs

You should download the latest version of the Xvid codecs and then install them over any previous version you might have. This will reinstall fresh copies of all the files that are on your system, allowing it to find the files it needs and run faster again. These ‘codecs’ are small file-structures which Windows uses to play various different movie files on your PC. If you want to play a particular movie file which is encoded in the Xvid format, you’ll need a working codec.

Step 2 – Perform An Antivirus Scan

It’s often the case that the XvidCore.dll file will become infected and damaged by viruses and other malware. You need to be sure that your computer is free of any potential infections in order to make it run as smoothly as possible. You should download our recommended antivirus (& antispyware) tool and let it remove all the infections from your PC.

Step 3 – Repair The Registry

A big cause of the “XvidCore.dll is missing” or the “Xvidcore.dll not found” error is that there is a mis-match of data inside the registry database. The registry contains information about all the DLL & system files on your computer and keeps your PC running smoothly by providing quick links to the files it needs. Unfortunately, it’s often the case that the ‘registry’ will become damaged and the links to the various DLL files will become corrupted and unreadable. To fix this, you should download a registry cleaner and use it to scan through your computer & remove any of the damaged or corrupted DLL reference paths that are inside it. This would fix the error you are seeing if the top two steps didn’t.

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Most DLL errors are caused by the "registry database" of Windows.
This is a storage facility for all the files, settings and options that Windows uses to help it run. The problem is that there is a large list of DLL files your software uses to run - this list is highly important but is continually being damaged, causing the errors you're seeing. You can easily fix this problem by using a "registry cleaner" program to repair any registry errors your system has.