Types of ISB Files

Primary ISB File Association

.ISB

File ID:	.isb
Type:	Vanguard Music File

The ISB extension belongs to Vanguard: Saga Of Heros Game, a fantasy MMORPG which made its debut in 2007 by Sagil games and is now part of Sony Online Entertainment.

Created by:	Sony
Group:	Game Files
Location:	HKEY_CLASSES_ROOT\.isb

Software Programs That Open The Vanguard Music File:

Vanguard: Saga of Heroes by Sony

Windows

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Understanding ISB Issues

Common Problems Opening ISB Files

Missing Vanguard: Saga of Heroes

When you double-click your ISB file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". When this happens, it is commonly due to Vanguard: Saga of Heroes missing in %%os%%. This will prevent you from double-clicking to open the ISB file because the OS doesn’t know how to handle it.

Tip: If you have another software that you know opens ISB files, you can select it by hitting the "Show Apps" button.

Outdated Vanguard: Saga of Heroes

In some cases, you might have a newer (or older) version of a Vanguard Music File file that is unsupported by your installed application version. If you do not have the proper version Vanguard: Saga of Heroes (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: Investigate your ISB file by right-clicking and selecting "Properties" to find clues on what version you need.

Primarily, problems experienced when opening ISB files are due to having the incorrect version of Vanguard: Saga of Heroes installed on your computer.

Additional ISB Opening Issues

Errors opening Vanguard Music File files can still occur even with the latest Vanguard: Saga of Heroes software installed on your computer. Other ISB opening errors can be created by other system problems inside of %%os%%. Issues that aren't software-related:

• Windows Registry ISB file paths that are incorrect
• Corruption of the ISB file description inside the Registry
• Incomplete or bad installation of a software application associated with the ISB format
• The ISB itself is corrupted
• Past or present virus infection has affected your ISB
• Device drivers for ISB-related hardware are out-of-date
• Your PC doesn’t have enough available resources to open the Vanguard Music File file