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  • Blog Post: How the Clipboard Works, Part 2

    Last time , we discussed how applications place data on the clipboard, and how to access that data using the debugger.   Today, we'll take a look at how an application can monitor the clipboard for changes.   Understanding this is important because it is a place where Windows allows 3 rd -party...
  • Blog Post: How the Clipboard Works, Part 1

    Recently I had the opportunity to debug the clipboard in Windows, and I thought I’d share some of the things I learned.   The clipboard is one of those parts of Windows that many of us use dozens (hundreds?) of times a day and don’t really think about.   Before working on this case, I had never...
  • Blog Post: Closing the Loop: CPU Spike in Winlogon.exe

    We recently dealt with an interesting issue that I would like to share, hope you enjoy. - Jason Issue Summary Customer reports that within their Citrix server farm (running on Windows Server 2003), when a user logs into or out of a session (seems more pronounced on logoff), ALL users connected...
  • Blog Post: This button doesn’t do anything!

    Hello - Matthew here again. Today I'll be discussing in detail hang scenario #1 that Tate first mentioned a few blogs posts ago . From a debugging perspective, in an ideal world an application would always provide some kind of feedback when a failure occurs. The reality is that sometimes an application...
  • Blog Post: Hung Window?, No Source?, No Problem!! Part 2

    Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR (critical problem resolution) platforms team. This blog entry is part 2 of my Hung Window?, No source?, No problem!! Part 1 blog . In this lab we will be debugging a problem involving multi threaded applications...
  • Blog Post: Hung Window?, No source?, No problem!! Part 1

    Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR Platforms team. This blog entry is a follow on for how to detect a hung window . This process and training lab is right out of our CPR Training curriculum. In order to do the lab I have prepared for you...
  • Blog Post: Detecting and automatically dumping hung GUI based windows applications..

    Written by Jeff Dailey My name is Jeff, I’m an Escalation Engineer on CPR Platforms team. Following Tate’s blog on scoping hangs I’d like discus a common category of hangs and some creative ways to track them down. I will be providing a couple of labs to go with this post that you can run and debug...
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