Download Debug Diagnostic Tool v2 Update 3 from Official Microsoft Download Center

Internet Explorer is changing to Edge.

Internet Explorer 11 has retired as of June 15, 2022

If any site you visit needs Internet Explorer (IE), you can reload it with IE mode in the faster, more modern Microsoft Edge browser.

Get started with Microsoft Edge
Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports

Debug Diagnostic Tool v2 Update 3

Important! Selecting a language below will dynamically change the complete page content to that language.

Language:
English
DirectX End-User Runtime Web Installer
Download
Close
The Debug Diagnostic Tool (DebugDiag) is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or memory fragmentation, and crashes in any user-mode process.