What is the CDKEY File Extension?

Author:   |   Last Updated: May 30, 2023

Microsoft Silver

CDKEY File Summary

File Extension CDKEY has zero unique file types (with the primary being the Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in format) and is mostly associated with Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in (Unknown Developer). CDKEY files are categorized ordinarily as .

These types of files can be found on both desktop and mobile devices. With a Popularity Rating of "Medium", these files are somewhat common to your average computer user.

Interested to learn more about the CDKEY File Extension? We encourage you to view the detailed file information below to learn about the software that opens CDKEY files, and other troubleshooting tips.

Medium
File Type Popularity
11690
File Rank

/ 11690

Active

File Status

30

May

2023

Page Last Updated

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Types of CDKEY Files


Primary CDKEY File Association

.CDKEY
File Format:.cdkey
File Type:Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in

Created by: Unknown Developer
File Category:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.cdkey

Software Programs That Open The Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in:


Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in by Unknown Developer

Windows

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CDKEY File Popularity


File Extension Device Breakdown (desktop / mobile / tablet)

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Troubleshooting Problems Opening CDKEY Files


Common Problems Opening CDKEY Files

Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in is Not Installed

When you double-click your CDKEY 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 Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in 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 CDKEY file, you can try opening it by selecting the application from the programs listed.


Wrong Version of Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in is Installed

In some cases, you might have a newer (or older) version of a Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in file that is unsupported by your installed application version. If you do not have the proper version Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in (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 CDKEY 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 CDKEY files are related to not having the correct software application installed on your computer.


Other Causes of CDKEY File Opening Problems

Although you might already have Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in or another CDKEY-associated software installed on your computer, you can still encounter problems opening Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in files. If you are still having problems opening CDKEY 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 CDKEY file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Accidental deletion of the description of the CDKEY file in the Windows registry
  • Incomplete or bad installation of a software application associated with the CDKEY format
  • Your CDKEY file is corrupted (issues with your Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in file itself)
  • Your CDKEY is infected with malware
  • Device drivers of the hardware associated with your CDKEY file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the Protocol Used in Communicating from MediaRemote Server to PC MediaRemote Plug-in format

Quiz: Which file extension is the oldest in existence?









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