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Windows Media Player error C00D10D1: unidentified codec

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So none of my video files play audio on WMV or VLC. When I try to play thru WMV and press back I see the name of the file and on the left of it I see the icon for the audio with a red circle and a white X over the icon. When I click on that I get an option for Error Details, when I click on that I get the following message. "An audio codec is needed to play this file. To determine if this codec is available to download from the web, click Web Help." When I go to Web Help I get sent to http://windows.microsoft.com/en-us/windows7/codecfallbackanda page that says what the title of the topic says and doesn't offer any real solution. Any help I could get here?   should mention this occurred after I used Tweaking.com Windows Repair to solve a Malware problem for Windows 07. Tried to use General PC help for this, but was told to put the topic in this forum.

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Hello and welcome to Malwarebytes,

Please be aware the following P2P/Piracy Warning is a standard opening reply made here at Malwarebytes, we make no accusations but do make you aware of Forum Protocol....

If you're using Peer 2 Peer software such as uTorrent, BitTorrent or similar you must either fully uninstall them or completely disable them from running while being assisted here.Failure to remove or disable such software will result in your topic being closed and no further assistance being provided.If you have illegal/cracked software, cracks, keygens etc. on the system, please remove or uninstall them now and read the policy on Piracy.

Anyone other than the original starter of this thread please DO NOT follow the instructions and advice posted as replies here, my help and advice is NOT related to your system and will probably cause more harm than good...

Run the following scans to see if malware/infection is present:


Please open Malwarebytes Anti-Malware.

  • On the Settings tab > Detection and Protection sub tab, Detection Options, tick the box "Scan for rootkits".
  • Under Non-Malware Protection sub tab Change PUP and PUM entries to Treat detections as Malware
  • Click on the Scan tab, then click on Scan Now >> . If an update is available, click the Update Now button.
  • A Threat Scan will begin.
  • With some infections, you may or may not see this message box.

            'Could not load DDA driver'
  • Click 'Yes' to this message, to allow the driver to load after a restart.
  • Allow the computer to restart. Continue with the rest of these instructions.
  • When the scan is complete, click Apply Actions.
  • Wait for the prompt to restart the computer to appear, then click on Yes.
  • After the restart once you are back at your desktop, open MBAM once more.

To get the log from Malwarebytes do the following:

  • Click on the History tab > Application Logs.
  • Double click on the scan log which shows the Date and time of the scan just performed.
  • Click Export > From export you have three options:

      Copy to Clipboard - if seleted right click to your reply and select "Paste" log will be pasted to your reply
      Text file (*.txt)        - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply
      XML file (*.xml)      - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply
  • Please use "Copy to Clipboard, then Right click to your reply > select "Paste" that will copy the log to your reply…

If Malwarebytes is not installed follow these instructions first:

Download Malwarebytes Anti-Malware to your desktop.

  • Double-click mbam-setup and follow the prompts to install the program.
  • At the end, be sure a checkmark is placed next to the following:
  • Launch Malwarebytes Anti-Malware
  • A 14 day trial of the Premium features is pre-selected. You may deselect this if you wish, and it will not diminish the scanning and removal capabilities of the program.
  • Click Finish. Follow the instructions above....

Download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system (32 bit or 64 bit). If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.

If your security alerts to FRST either, accept the alert or turn your security off to allow FRST to run. It is not malicious or infected in any way...

  • Double-click to run it. When the tool opens click Yes to disclaimer.
    (Windows 8/10 users will be prompted about Windows SmartScreen protection - click More information and Run.)
  • Make sure Addition.txt is checkmarked under "Optional scans"
  • Press Scan button to run the tool....
  • It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
  • The tool will also make a log named (Addition.txt)  Please attach those logs to your reply.




Please download RogueKiller and save it to your desktop from the following link: http://www.bleepingcomputer.com/download/roguekiller/

  • Quit all running programs.
  • For Windows XP, double-click to start.
  • For Vista,Windows 7/8/8.1/10, Right-click on the program and select Run as Administrator to start and when prompted allow it to run.
  • Read and accept the EULA (End User Licene Agreement)
  • Click Scan to scan the system.
  • When the scan completes select "Report",in the next window select "Export txt" the log will open as a text file post that log... Also save to your Desktop for reference. log will open.
  • Close the program > Don't Fix anything!


Let me see those logs...


Thank you,



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Still need to do the last step.


Malwarebytes Anti-Malware



Scan Date: 2/9/2016

Scan Time: 2:40 PM


Administrator: Yes



Malware Database: v2016.02.09.05

Rootkit Database: v2016.02.08.01

License: Free

Malware Protection: Disabled

Malicious Website Protection: Disabled

Self-protection: Disabled


OS: Windows 7 Service Pack 1

CPU: x64

File System: NTFS

User: User


Scan Type: Threat Scan

Result: Completed

Objects Scanned: 337161

Time Elapsed: 10 min, 34 sec


Memory: Enabled

Startup: Enabled

Filesystem: Enabled

Archives: Enabled

Rootkits: Enabled

Heuristics: Enabled

PUP: Enabled

PUM: Enabled


Processes: 0

(No malicious items detected)


Modules: 0

(No malicious items detected)


Registry Keys: 0

(No malicious items detected)


Registry Values: 0

(No malicious items detected)


Registry Data: 0

(No malicious items detected)


Folders: 0

(No malicious items detected)


Files: 0

(No malicious items detected)


Physical Sectors: 0

(No malicious items detected)






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Do not see any obvious malware or infection in those logs, run the following to give the system a bit of a clean up...


Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into.
NOTE. It's important that both FRST and fixlist.txt are in the same location or the fix will not work.

Run FRST and press the Fix button just once and wait.
The tool will make a log on the Desktop (Fixlog.txt) or the folder it was ran from. Please post it to your reply.




Download AdwCleaner by Xplode onto your Desktop.

  • Double click on Adwcleaner.exe to run the tool.
  • Click on the Scan in the Actions box
  • Please wait fot the scan to finish..
  • When "Waiting for action.Please uncheck elements you want to keep" shows in top line..
  • Click on the Cleaning box.
  • Next click OK on the "Closing Programs" pop up box.
  • Click OK on the Information box & again OK to allow the necessary reboot
  • After restart the AdwCleaner(C*)-Notepad log will appear, please copy/paste it in your next reply. Where * is the number relative to list of scans completed...



Uninstall VLC re-boot when the uninstall completes...




Install VLC once more: http://www.videolan.org/vlc/download-windows.en_GB.html


Does that make any difference? Also give an update on any remaining issues or concerns... post the logs from FRST and AdwCleaner.


Thank you,




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 AdwCleaner v5.033 - Logfile created 10/02/2016 at 04:25:35

# Updated 07/02/2016 by Xplode

# Database : 2016-02-07.2 [server]

# Operating system : Windows 7 Home Premium Service Pack 1 (x64)

# Username : User - USER-PC

# Running from : C:\Users\User\Downloads\AdwCleaner (1).exe

# Option : Cleaning


***** [ Services ] *****



***** [ Folders ] *****



***** [ Files ] *****



***** [ DLLs ] *****



***** [ Shortcuts ] *****



***** [ Scheduled tasks ] *****



***** [ Registry ] *****


[-] Key Deleted : HKCU\Software\AppDataLow\Software\adawarebp


***** [ Web browsers ] *****





:: "Tracing" keys removed

:: Winsock settings cleared


########## EOF - C:\AdwCleaner\AdwCleaner[C1].txt - [740 bytes] ##########
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Aplogies about the history, I totally misread your reply. I actually thought you wanted to know of a tool that would do that for you..... FRST does remove all history when the "EmptyTemp:" option is used, unfortunately no back up of such removals are made by FRST....


Select the start option, copy device manager into the search box, select ok or tap on the "enter" key.


Device manager will open, scroll down to and expand Sound video and game controllers from the expanded list are there any question or exlamation marks against auduio entries? if so or even if not right click on audio entries and select "Update driver software"


Does that make any difference....

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So checking device manager there was a Sound, video and game controllers option.  Under that were two other options. The first is High definition audio Device. Tried updating that and it said it was up to date. There was a second option that said Intel® Display audio. Tried updating that and after several minutes of it searching for an update my laptop lost internet connection, it said something like DNS probe, so I just rebooted my laptop.

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The only biggest problem using websites to look for codecs is malware or infection. Codecs can definitely be used for malicious intent. Your system does not appear to be exploited or infected at present, so we can see if installing a codec pack makes any difference.


I`ve used Klite Codec pack before without any problems, it is available from FileHippo so will be OK.....


Couple of steps to do first before installing the pack....




Install UnChecky, this is free and clean, it will help stop possible bundled unwanted extras that come with free software. Install it and leave it alone after, it will run at boot and protect your system...


Get UnChecky here: http://unchecky.com/




Backup the Registry:

Modifying the Registry can create unforeseen problems, so it's always wise to create a backup before doing so.

  • Please download ERUNT from one of the following links: Link1 | Link2 | Link3
  • ERUNT (Emergency Recovery Utility NT) is a free program that allows you to keep a complete backup of your registry and restore it when needed.
  • Double click on erunt-setup.exe to Install ERUNT by following the prompts.
  • NOTE: Do not choose to allow ERUNT to add an Entry to the Startup folder if offered. Click NO.
  • Start ERUNT either by double clicking on the desktop icon or choosing to start the program at the end of the setup process.
  • Choose a location for the backup.
  • Note: the default location is C:\Windows\ERDNT which is acceptable.
  • Make sure that at least the first two check boxes are selected.

  • Click on OK
  • Then click on YES to create the folder.
  • Note: if it is necessary to restore the registry, open the backup folder and start ERDNT.exe




Download and install KLite codec pack from here: http://filehippo.com/download_klite_codec_pack/  Re-boot when the install completes, does that help?


Thank you,



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  • Root Admin

Due to the lack of feedback this topic is closed to prevent others from posting here. If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.

Other members who need assistance please start your own topic in a new thread. Thanks!

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