Under Windows specifications , check which edition and version of Windows your device is running. If you're having a problem with activation, see Activate in Windows.
If you forgot the password you use to sign in to Windows devices or email, see How to reset your Microsoft password. Learn where to Find your Windows product key. If you're having a problem with activation, see Activate Windows. If you're using a touch device, swipe in from the right edge of the screen, tap Settings , and then tap Change PC settings.
Continue to step 3. If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings , and then click Change PC settings. Under Windows you'll see which edition and version of Windows your device is running. If you're having a problem with activation, see Activate Windows 7 or Windows 8.
Select the Start button, type Computer in the search box, right-click on Computer , and then select Properties. Under Windows edition , you'll see the version and edition of Windows that your device is running. Learn more. Windows 11 Windows 10 Windows 8. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. What is the scope of the vulnerability? This is a remote code execution vulnerability.
An attacker who successfully exploited this vulnerability could take complete control of an affected system. What causes the vulnerability? This vulnerability is caused when Windows Media Player fails to properly parse specially crafted media files.
What is Windows Media Player? Windows Media Player is a feature of the Windows operating system for personal computers. It is used for playing audio and video. What might an attacker use the vulnerability to do? An attacker who successfully exploited this vulnerability could run arbitrary code as the logged-on user. If a user is logged-on with administrative user rights, an attacker could take complete control of the affected system. How could an attacker exploit the vulnerability? An attacker could exploit the vulnerability by hosting a specially crafted media file on a network location and convincing a user to open the file.
An attacker would have no way to force users to open the file. Instead, an attacker would have to convince users to do so, typically by getting them to click a link in an email message or Instant Messenger message. What systems are primarily at risk from the vulnerability? Systems, most typically workstations, that use Windows Media Player are primarily at risk from the vulnerability.
What does the update do? The update addresses the vulnerability by modifying how Windows Media Player opens certain media files. When this security bulletin was issued, had this vulnerability been publicly disclosed? Microsoft received information about this vulnerability through coordinated vulnerability disclosure. When this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers when this security bulletin was originally issued.
For information about the specific security update for your affected software, click the appropriate link:. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? In this article. Windows Media Format Runtime 11 wmvdecod. Windows Media Format Runtime 9. Windows Media Format Runtime 11 wmvdmod.
Windows Media Player 11 wmvdecod. Windows Media Player 12 wmvdecod. For Windows Media Format Runtime 11 wmvdecod. For Windows Media Format Runtime 9. For Windows Media Format Runtime 9 wmvdmod. For wmv9vcm. To find WMP , click the Start button and type: media player, and select it from the results above. Then type: wmplayer. Save as Gray out: In File Explorer, navigate to the file location , right-click on the file and select "Rename".
Skip to content Despite the addition of Groove Music, many Windows 10 users will have many reasons to continue using Windows Media Player. Table of Contents:. Why can't I find Windows Media Player? What should I do if Windows Media Player can't play a file? Determine if the codec you use to play the file is installed on your computer.
Install the codec. How do I view song titles using Windows Media Player? Click the Library tab at the top of Windows Media Player. Click the music icon in the address bar at the top of the application window , and then click Music. Double-click the Library category in the left navigation menu and select the Album subsection. Can you convert files in Windows Media Player? Previous Post Previous post: How to fix: Keyboard types only numbers or nothing at all.
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