Varieties of DNS Files

Primary DNS File Association

.DNS

Formatting:	.dns
Category:	Duke Nukem Forever Save File

Game file used for saving and loading game progress associated with Duke Nukem Forever, a first-person shooter game that is the sequel to Duke Nukem 3D.

Programmer:	3D Realms
File Category:	Game Files
Entry:	HKEY_CLASSES_ROOT\.dns

Software Programs That Open The Duke Nukem Forever Save File:

Duke Nukem Forever by 3D Realms

Windows

Playstation 3 System Software

Xbox 360

OS X El Capitan

Additional DNS Files

.DNS

Formatting:	.dns
Category:	DynSite Plug-in File

Plug-in file associated with DynSite, an application used to automatically update user dynamic IP address.

Programmer:	Open Source
File Category:	Plugin Files

Software Programs That Open DynSite Plug-in File Files:

DynSite by Open Source

Compatible with:

Windows

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DNS File Complications

Typical DNS Opening Challenges

Duke Nukem Forever is Not Installed

Double-clicking your DNS file prompts the message "%%os%% Can't Open DNS File". Usually, this is because you do not have Duke Nukem Forever for %%os%% installed. The OS won't know what to do with your DNS file, so double-clicking to load the file doesn't work.

Tip: When another DNS application is installed, you can choose to open it by selecting "Show Apps" and using that program.

Incorrect Duke Nukem Forever Version

In other instances, your Duke Nukem Forever Save File file version may not be supported by your version of Duke Nukem Forever. You will need to download a newer version of Duke Nukem Forever if you don't have the right version. Most of the time your Duke Nukem Forever Save File file was created by a newer Duke Nukem Forever than what you have installed.

Tip: Investigate your DNS file by right-clicking and selecting "Properties" to find clues on what version you need.

Summary: Not having the right Duke Nukem Forever version on your computer can cause problems opening DNS files.

Additional DNS Opening Issues

You can still experience errors opening DNS files even with the latest version of Duke Nukem Forever installed on your PC. If you are still having problems opening DNS files, there may be other issues that are preventing you from opening these files. These issues include:

• File references in the Windows Registry for DNS are wrong
• Deletion of the DNS file description from the Registry by mistake
• Incomplete or bad installation of a software application associated with the DNS format
• Your DNS can't be loaded properly (file corruption)
• Your DNS has adversely impacted by malware
• Hardware associated with DNS has outdated drivers
• Insufficient system resources to successfully open Duke Nukem Forever Save File files