Types of UVVU Files

Primary UVVU File Association

.UVVU

File Format:	.uvvu
File Type:	DECE MP4

Created by:	DECE Technical Working Group
File Category:	Video Files
Registry Key:	HKEY_CLASSES_ROOT\.uvvu

Software Programs That Open The DECE MP4:

DECE MP4 by DECE Technical Working Group

Windows

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Troubleshooting Problems Opening UVVU Files

Common Problems Opening UVVU Files

DECE MP4 is Not Installed

When you double-click your UVVU file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have DECE MP4 for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: If you know of another program that can open your UVVU file, you can try opening it by selecting the application from the programs listed.

Wrong Version of DECE MP4 is Installed

In some cases, you might have a newer (or older) version of a DECE MP4 file that is unsupported by your installed application version. If you do not have the proper version DECE MP4 (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: Sometimes you can get a clue about the version of UVVU file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).

Summary: In either case, the majority of problems opening UVVU files are related to not having the correct software application installed on your computer.

Other Causes of UVVU File Opening Problems

Although you might already have DECE MP4 or another UVVU-associated software installed on your computer, you can still encounter problems opening DECE MP4 files. If you are still having problems opening UVVU files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

• Invalid UVVU file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Accidental deletion of the description of the UVVU file in the Windows registry
• Incomplete or bad installation of a software application associated with the UVVU format
• Your UVVU file is corrupted (issues with your DECE MP4 file itself)
• Your UVVU is infected with malware
• Device drivers of the hardware associated with your UVVU file are corrupt or out-of-date
• Your computer does not have the adequate system resources to open the DECE MP4 format