Bug en lisant format AVI

Bonjour,
Depuis peu, à chaque fois que je souhaite lire des fichiers type avi., j'ai un message d'erreur de microsoft, et ensuite mon dossier où son stocker mes fichiers se ferment automatiquement. Je ne peux même plus changer le nom du fichier comme j'avais l'habitude de faire.
J'ai envoyer un rapport d'erreur à Microsoft (je ne sais pas si j'ai bien fait...), et voila la réponse

Troubleshoot a problem with Xvid

Xvid has stopped working properly.

Xvid is a codec. The file name of this codec is xvid.dll.

To try to solve this problem, follow these steps. One step might solve the problem, but if it doesn't, then go on to the next step.

Tap or click to go to the Xvid website to check for and install xvid.dll updatesTap or click to go to the Xvid website to check for and install xvid.dll updates

Use the regsvr32 command to unregister xvid.dll

If you don't know which program is causing this problem, you can remove xvid.dll from the list of installed codecs by unregistering it.

Warning
Disabling xvid.dll will cause any programs that depend on the codec to stop working or lose functionality.
Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
At the command prompt, type regsvr32 /u xvid.dll, and then press ENTER. xvid.dll is now unregistered.

What should I do if the regsvr32 command fails or returns an error?

You can also try an automatic troubleshooter that can detect problems with some codecs and remove the codecs from your computer.

Download and run the Fix it troubleshooter

If these steps don't solve the problem and you continue to receive problem reports, please consider filling out the survey at the bottom of this page. To help us continue to investigate this error, include the names of the add-ons that are currently enabled in Internet Explorer in the comments area of the survey.

Quelqu'un pourrait il me venir en aide ?
D'avance merci

François