Cannot play back the file. The format is not supported. Cannot play back the video stream: no suitable decompressor could be found. No combination of filters could be found to render the stream. The source filter for this file could not be loaded. Need more help? Expand your skills. Get new features first. Was this information helpful?
Yes No. Thank you! Any more feedback? See if this solution works for you by signing up for a 7 day free trial. What do I get with a subscription? With your subscription - you'll gain access to our exclusive IT community of thousands of IT pros. We can't always guarantee that the perfect solution to your specific problem will be waiting for you. If you ask your own question - our Certified Experts will team up with you to help you get the answers you need.
Who are the certified experts? How quickly will I get my solution? For additional information about troubleshooting and installing DirectX, click the following article numbers to view the articles in the Microsoft Knowledge Base:. Verify that you are using the correct codec for the media file that you are trying to play. For additional information about verifying, installing, and troubleshooting audio codecs, click the following article numbers to view the articles in the Microsoft Knowledge Base:.
Start Registry Editor and then verify that the following registry subkey and its associated values exist. Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:. If this subkey exists and if its associated values are correct, quit Registry Editor.
If this key does not exist, create it. To do this, follow these steps:. On the Edit menu, point to New , and then click Key. On the Edit menu, point to New , and then click String Value. For additional information about other error messages that you may receive when you try to play Windows Media Player files, click the following article number to view the article in the Microsoft Knowledge Base:. Press and hold the folder that you want to take ownership of, then tap Properties.
If you are using a mouse, right-click the folder, and then click Properties. Tap or click the Security tab, tap or click Advanced , then tap or click Change. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
Type the name of the person that you want to give ownership to, and then click Check Names. If you want this person to be the owner of the files and subfolders that are contained in this folder, select the Replace owner on subcontainers and objects check box. You may not have the appropriate permissions Issues that you experience when you try to access files and folders may be related to permissions. Permissions are rules that determine whether you can access or change files and folders.
To check permissions on a file or folder, follow these steps:. Press and hold or right-click the file or folder, and then click Properties. Under Group or user names , tap or click your name to see the permissions that you have. To open a file, you have to have the Read permission. To change the permissions of a file or folder, follow these steps. Important You must be logged on as an administrator to change permissions on files and folders. Press and hold or right-click the file or folder, and then tap or click Properties.
Tap or click Edit , tap or click your name, select the check boxes for the permissions that you must have, and then click OK. The file or folder may be encrypted Encryption can help protect files and folders from unwanted access.
You cannot open an encrypted file or folder without the certificate that was used to encrypt it. To determine whether a file or folder is encrypted, follow these steps:. Tap or click the General tab, and then tap or click Advanced. If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it.
In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder. You may not have ownership of a file or folder If you recently upgraded your computer to Windows 7 from an earlier version of Windows, some of your account information may have changed.
To take ownership of a file or a folder, follow these steps:. Right-click the folder that you want to take ownership of, then click Properties. Click the Security tab, click Advanced , then click the Owner tab. Note If you are prompted for an administrator password or for confirmation, type the password or provide confirmation. If you want this person to be the owner of files and subfolders in this folder, select the Replace owner on subcontainers and objects check box.
To determine the permissions of the file or folder, follow these steps:. Under Group or user names , click your name to see the permissions that you have. To change permissions on a file or folder, follow these steps. Click Edit , click your name, select the check boxes for the permissions that you must have, and then click OK.
For more information about permissions, see What are permissions? Click the General tab, then click Advanced. You should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder. For more information, see Import or export certificates and private keys. Cause A problem that prevents you from accessing or working with files and folders can occur for one or more of the following reasons:.
To check permissions on a file or a folder, follow these steps:. The file or folder may be corrupted Files can become corrupted for several reasons.
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