Search found 3 matches

by maelh
Fri Jun 12, 2020 3:51 am
Forum: madExcept
Topic: Exception 0x409 in ntdll.dll in Windows 10
Replies: 7
Views: 7488

Re: Exception 0x409 in ntdll.dll in Windows 10

I did, but it had no effect. And I finally found the error. It was a cast of a window procedure pointer to a DWORD instead of LONG_PTR in some code that I missed to update fully to 64 bit. I ended up using the minidump created by WER and loading it into Visual Studio to get a stack trace. (see https...
by maelh
Wed Jun 10, 2020 7:24 pm
Forum: madExcept
Topic: Exception 0x409 in ntdll.dll in Windows 10
Replies: 7
Views: 7488

Re: Exception 0x409 in ntdll.dll in Windows 10

Thanks a lot for your reply. I wanted to wait until I have done all and write my success story, including tips on how to solve it. Unfortunately, it still happens only on the test system, which isn't fully updated. I wonder if it might be this, but on the other hand, I'd like finding out what trigge...
by maelh
Thu Jun 04, 2020 1:43 am
Forum: madExcept
Topic: Exception 0x409 in ntdll.dll in Windows 10
Replies: 7
Views: 7488

Exception 0x409 in ntdll.dll in Windows 10

Hello, I am trying to diagnose an elusive bug, that is triggered under a Windows 10 x64 system (but not on my Win10 x64 VM). I tested madexcept works fine, by raising an exception at application start, to which madexcept reacts with an error window, as expected. But the exception I am trying to catc...