audio and video codecs

I tried to watch a video, but I couldn't hear the sound, there is no clear sound. then I tried to install a codec to solve the problem and when I installed this codec, it uninstalled my default one and now when I play a video or a song, the sound is weird and I can berely hear. the codec that I installed and everything went wrong is called 'K - Lite Mega Codec Pack 6.5.0' it uninstalled my default one, but I do not know what it was called. Now, videos and songs do not sound clear. Basically I want to return to normal, but I don't want to restart all because I have a lot of projects, photos, songs, videos, programs, and other things that I don't want to lose.
Please help me.

I tried to watch a video, but I couldn't hear the sound, there is no clear sound. then I tried to install a codec to solve the problem and when I installed this codec, it uninstalled my default one and now when I play a video or a song, the sound is weird and I can berely hear. the codec that I installed and everything went wrong is called 'K - Lite Mega Codec Pack 6.5.0' it uninstalled my default one, but I do not know what it was called. Now, videos and songs do not sound clear. Basically I want to return to normal, but I don't want to restart all because I have a lot of projects, photos, songs, videos, programs, and other things that I don't want to lose.
Please help me.

================================
Do a restore of the system Mode without failure for a time before
you have installed the codec pack may be worth a try.

See the following articles:

(306084) how to restore Windows XP to a
previous state
http://support.Microsoft.com/?kbid=306084

How to restore a Windows XP system to a previous state using system restore
http://bertk.MVPs.org/

(315222) a Description of the Safe Mode
Boot into Windows XP options
http://support.Microsoft.com/?kbid=315222

How to start safe mode in Windows XP
http://bertk.MVPs.org/html/SafeMode.html

Then take a look at the following article:

(307918) how to troubleshoot sound problems in Windows XP
http://support.Microsoft.com/kb/307918/en-us

Volunteer - MS - MVP - Digital Media Experience J - Notice_This is not tech support_I'm volunteer - Solutions that work for me may not work for you - * proceed at your own risk *.

Tags: Windows

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