Troubleshooting and Fixing Session Cookie Problems in IE11

Another browser, another version check crisis… So, like many of my esteemed nerdly readers, I pushed “go” on upgrading to the Windows 8.1 preview the first opportunity that I had. And, naturally, the first thing I started doing was finding the broken stuff. Unfortunately, it didn’t take me long. We have an internal conference twice…


Update on the Weight Watchers Mobile Site on IE10

Back in December, I blogged about the failure of Weight Watchers Mobile on IE10, which affects peoples’ fancy new Windows Phone 8 devices, not to mention their Windows RT devices like the Surface RT. In the interim, I’ve disabled the compat view list on my Surface (there isn’t an option to do that on the…


Debugging Geeks Who Found Their Voice

When I talk to folks who are extraordinary engineers, but who are struggling to extend their impact, the #1 recommendation I give is to find your voice and communicate. And just keep communicating. There is no substitute for practice. And, it turns out that the sort of folks who really excel at app compat can…


Debugging a CSS Issue with IE9: Mötley Crüe Edition

If you want to master app compat debugging, then I really only know of one approach: practice. Find things that are broken, and then find out why. If you have to look too far for something broken, then you must be significantly luckier than I am! Now, I prefer to listen to Mötley Crüe when…


Windows 7 Debugging Demo: Troubleshooting the Broken Microsoft Time Zone Utility

Earlier today, I received this request from a customer: This (http://www.microsoft.com/downloads/details.aspx?FamilyID=07fb0bd8-f390-458d-a629-6f0258ac7cdf) is a .NET 1.1 app and I have installed .NET 1.1 SP1 on Windows 7 32-bit and all .NET 1.1 SP1 security patches but it doesn’t run. Gives me this error: An internal error has occurred: Object reference not set to an instance of…


The Case of the SUA Missing Log File

Since I’m using Mark’s tools, I figure I may as well steal his blog title scheme… I had a customer come to me with a question on Standard User Analyzer (SUA), looking for an explanation for why it was coming back with the following error: Failed to load log file C:\Users\…\AppData\Local\Temp\sua No (valid) log file…