This is actually an interesting story, Back in the days when we had 8 bit processors (8 bit processors means registers in processors will be able to hold 8 bit data), registers were called like, AL, BL So, when we moved to 16 bit processors, we named...

Sometimes when you debug applications, it happens that you have got the pointer to class which has few member variables including structures and another class objects! How to look at values of those inner class/structure variable's members?? So, here...

If you are debugging a lot, you might come across a need where you need to put a breakpoint on a function and special requirement is you need to break only when that function returns a specific value!! e.g. I am checking for CoCreateInstance method from...

If you want to look at commands supported by any windbg extensions, you can follow various ways. You can use !<ext_name>.help command to see all the commands supported by that extension. Replace <ext_name> with your extension module name....

There are various ways to do this. Find the PID for process that is hosting the service. You can do this with the help of command, tasklist /svc Look for service and associated PID, then go to command prompt, into the directory where windbg is installed...

Many a times it happens that from within a debugging session, we need to load / reload symbols for a particular module (Talking in context of WinDbg).. e.g. we started debugging, set normal symbol path and down the line while debugging, came to know that...

I was searching for a way to find all the processes running right now, who has loaded particular DLL.. And found a really good command that shows really useful output.. You dont have to install anything on your windows, just go to command prompt and fire...

I have just finished reading "Programming Distributed Applications With COM & Microsoft Visual Basic 6.0". I really loved this book, though technologies explained in this book are somewhat older (we have new version for almost all technologies...

If you have got chance to work with DCOM /COM+ frequently; you might have come across the term called AppID (if you are not able to recollect, take a look here, HKEY_CLASSES_ROOT\AppID). Many people are confused about what AppID is?? If you are one of...