DIAGPKG Types

Primary DIAGPKG File Association

.DIAGPKG

File ID:	.diagpkg
Type:	Troubleshooting Pack File

The DIAGPKG file is associated with the Microsoft Support Diagnostic Tool, a software that enables users to troubleshoot computer issues. The file stores data that is required to establish a hardware/software problem and potentially fix it.

Organization:	Microsoft Corporation
Function:	System Files
Entry:	HKEY_CLASSES_ROOT\.diagpkg

Software Programs That Open The Troubleshooting Pack File:

Microsoft Support Diagnostic Tool by Microsoft Corporation

Windows

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DIAGPKG Troubleshooting

Common DIAGPKG Opening Problems

Microsoft Support Diagnostic Tool Disappeared

If you attempt to load your DIAGPKG file, you experience a message such as "Can't Open DIAGPKG Files". Usually, this is because you do not have Microsoft Support Diagnostic Tool for %%os%% installed. 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 don't have Microsoft Support Diagnostic Tool installed, and you know of another program to open your DIAGPKG file, you can try opening it by selecting from the programs listed under "Show Apps".

Incorrect Microsoft Support Diagnostic Tool Version

Your Troubleshooting Pack File file is incompatible with Microsoft Support Diagnostic Tool because you might have the wrong version installed. If you've got the wrong version of Microsoft Support Diagnostic Tool installed, you'll need to install the correct version. Most of the time your Troubleshooting Pack File file was created by a newer Microsoft Support Diagnostic Tool than what you have installed.

Tip: If you right-click on your DIAGPKG file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.

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

Associated Difficulties Loading DIAGPKG Files

You can still experience errors opening DIAGPKG files even with the latest version of Microsoft Support Diagnostic Tool installed on your PC. If you're still experiencing problems opening DIAGPKG files, there could be other computer problems. Problems unrelated to software:

• Windows Registry DIAGPKG file paths that are incorrect
• Mistaken removal of the Windows registry DIAGPKG description
• Invalid installation of a DIAGPKG-associated program (eg. Microsoft Support Diagnostic Tool)
• DIAGPKG file corruption
• Past or present virus infection has affected your DIAGPKG
• Device drivers of the hardware associated with your DIAGPKG file are corrupt or out-of-date
• Windows has inadequate resources to open your Troubleshooting Pack File file