WhatIsHang NirSoft

WhatIsHang is a diagnostic utility designed to help users troubleshoot and understand why Windows applications or the system itself has stopped responding. The tool provides detailed information about hanging processes, enabling users to identify potential causes of freezes or crashes.

Key Features:

• Detects hanging applications and generates reports with technical details such as call stacks, processor registers, and memory data.
• Displays strings and DLL files related to the hang issue, which can help non-programmers identify problematic components.
• Offers an "All Threads" report (experimental) for comprehensive analysis of all running threads in a frozen application.
• Supports both 32-bit and 64-bit systems, with specific versions required for detecting hangs in corresponding applications.
• Includes options to run as administrator and automatically generate reports after detecting freezes.

Audience & Benefit: Ideal for system administrators, developers, and end-users who need to diagnose hanging applications. The tool provides actionable insights into the root causes of freezes, helping users restore normal operation or gather information for further troubleshooting by software support teams.