Member Avatar for CLEARICE01

i dont know why but this is the third time that on windows media player 9.i can not play avi.files i have tryed to solve this problem on this forum befor with no luck two times befor i have reinstalled windows xp pro to fix the problem not this time.i was just thinking it mite be a missing plug-in or something like that.eny help would be greatlly appreciated.......... :sad:

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Dani AI

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A clear pattern emerges from the replies: previously-playable AVIs suddenly failing is far more often a decoder/DirectShow issue than a mysterious WMP bug. and rightly flagged bad source files and alternate players as quick checks, and and pointed toward missing decoders. Since later reported that installing a codec pack restored playback, the root cause in this case was decoder availability or registration rather than the AVI container itself.

Practical diagnostic workflow:

  • Identify what codec an AVI actually needs using a codec-identification tool (examples of such tools exist). Record the video/audio codec names and any FOURCC tag.
  • Verify the same file in a player that uses built-in decoders to separate “file bad” from “system bad.”
  • Run the DirectX Diagnostic (dxdiag) and check driver/DirectX status; inspect Event Viewer for related errors when playback fails.
  • Examine DirectShow filter registration with a filter-manager/graph tool to spot duplicate, missing, or broken filters and filter order problems.

Repair and stabilization steps:

  • Avoid copying random EXE/DLL files into system folders; single-file replacements often leave registry and filter registrations inconsistent. Prefer an official repair/reinstall of the media player or run the System File Checker (sfc /scannow) to restore core components.
  • If decoders are missing or conflicting, remove overlapping codec packages and install a single, well-configured decoder set. Use a codec-manager utility to reset DirectShow priorities or clear stale filter registrations.

Prevention and best practice:

  • Create a System Restore point before major codec installs, avoid piling multiple codec packs, and prefer standalone players with internal decoders for unstable systems. For recurring failures, collect the codec identification output, WMP error text, and a list of installed codec packages—those details make diagnosis and a safe repair far more reliable.

Recommended Answers

All 13 Replies

Member Avatar for caperjack

if they are avi you are downloading from Kazaa ,most are bad to begin wit h!:)

Member Avatar for CLEARICE01

hi caperjack.good to here from you yes most are bad but thats not the point here. files that have played in the past will not play now.and that has somthing to do with the win media player not kazaa gold.wich is a pay to use program..........

Member Avatar for CLEARICE01

i was just going through my registry and i cant find eny mplayer2 files there could this be the reson that i cant play avi files with windows media player 9 and if so how can i replace mplayer2 .exe

Member Avatar for caperjack

did yo u search the harddrive for it it should be in c:\program files \windows media player .

Member Avatar for apostolis7

Have you checked if you have all the codecs required? Maybe you are just losing the codecs. Bare in mind most avi files cannot be played with windows media players unless for example the DIVX or Xvid codec is installed. you can find these in divx.com, http://download.divx.com/divx/DivX511Bundle.exe THis is just the codec, and Xvid in

A good page to have a look is http://codecs.necromancers.ru/

Hope this helps

Member Avatar for steosaur(oWn)

yea you need the codecs, i play avi's all the time

Member Avatar for CLEARICE01

hi caperjack.i found it but i dont know if it was there or not because i downloder it and put it in the win media folder. before i cheched there.thanks

Member Avatar for CLEARICE01

hi apostiolis7. i just downloaded the codecs i installed them but i think i already had them but at this point i will try enything.i just tryed and it didnt work but thanks enyway........

Member Avatar for CLEARICE01

steosaur.i already tryed the codecs and it didnt work thanks......

Member Avatar for Sardukar

search on Kazaa or whatever for Nimo Codec Pack. Has everything you need, and now comes with a pretty slick install utility too. Beware of viruses on kazaa called this, it is usually 8.0MB or larger, up to about 15MB (last I checked)

Member Avatar for Sardukar

Oh, and Windows XP and Media Player 9 do have several issues on this, make sure you have the latest version. Try another player as well (can I recommend either Divx player or Winamp 5?) GL

Member Avatar for CLEARICE01

hi sardukar.trying the nemo codecpak was the first thing i tryed and it didnt work.and i already have the divx player and the winamp.its just becum a mission for me to fix the windows media player......

Member Avatar for CLEARICE01

i cant believe it after trying every codec i could think of and having no luck i tryed the klite codecs pack 224f and i can watch every and eny type movie file on win media player 9.like apostolis7.ans steosaur said all alon it was a codec thing.its fixed now ya baby.........................thanks guys for all the help........

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