Windows Media Player 12 does not play some AVI files that were created ...
Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation process.
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Windows Media Player cannot pass proxy authentication in Windows 7
Occurs after you configure access to Internet content through a proxy server that uses authentication for the Windows Media Player clients.
Description of the security update for the Windows Media Player ...
To get the stand-alone package for this update, go to the Microsoft Update Catalog website. For deployment details for this security update, go to the following article in the Microsoft Knowledge Base: Security update deployment information: November 14, 2017.
FIX: Windows Media Player stops playing .wav files before the end in ...
Fixes a Windows Media Player problem in which playback of certain .wav files stops prematurely on a computer that is running Windows 7.
FIX: A Windows Media Foundation-based application does not play a file ...
Fixes an issue in which a Windows Media Foundation-based application does not play a file that uses a language ID that is not specified in RFC 1766. This issue occurs on a computer that is running Windows Vista.
MS15-057: Vulnerability in Windows Media Player could allow remote code ...
Resolves a vulnerability in Windows that could allow remote code execution if Windows Media Player opens specially crafted media content that is hosted on a malicious website.
Windows Media Player cannot load the content from certain URLs after ...
Download the update for Windows XP for x86-based versions (KB94410) package now. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses.