Windows application developer troubleshooting

Welcome to Windows application troubleshooting. These articles explain how to determine, diagnose, and fix issues that you might encounter when you use Windows applications.

Component development

How-To Guide

• An application fails to create a COM+ component
• CoInitializeEx fails after calling HtmlHelp on the same thread
• COM+ supports automatic collection of process dump file

Desktop app UI development

How-To Guide

• Apps using message filters may not respond in Windows 10
• Three- or four-finger touch interactions doesn't work in Windows 11
• Call Shell APIs from a multithreaded apartment

Distributed transactions

How-To Guide

• Can't start transactions
• Enable diagnostic tracing
• MSDTC Service must run under NetworkService account
• New functionality in the MSDTC service

Graphics and multimedia development

How-To Guide

• Converting PDF to bitmap causes partial data loss in the image
• Can't print to XPS Document Writer

Security development

How-To Guide

• SignTool may corrupt PowerShell script file