Windows System Software -- Consulting, Training, Development -- Unique Expertise, Guaranteed Results

Your Windows driver questions... answered.

Welcome to the OSR Developer Community!


Have you just discovered our community?
If so, welcome! You can read more about the community here including its history.

In short, this is the place to ask and answer questions about Windows system software development. The forum provides worldwide peer help with solving problems related to the design, development, and debugging of Windows drivers of all types (including WDF both KMDF, UMDF, even WDM device drivers and software-only drivers), Windows file system Minifilters, and Windows file systems. Are you having trouble figuring out how to do something in a driver you're developing? Do you have a crash in your driver that you're having trouble diagnosing? We have a forum for you!
Before Posting...
Please check out the Community Guidelines in the Announcements and Administration Category.

More Info on Driver Writing and Debugging


The free OSR Learning Library has more than 50 articles on a wide variety of topics about writing and debugging device drivers and Minifilters. From introductory level to advanced. All the articles have been recently reviewed and updated, and are written using the clear and definitive style you've come to expect from OSR over the years.


Check out The OSR Learning Library at: https://www.osr.com/osr-learning-library/


OSR Developer Community

Category List

Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Upcoming OSR Seminars
OSR has suspended in-person seminars due to the Covid-19 outbreak. But, don't miss your training! Attend via the internet instead!
Kernel Debugging 30 Mar 2020 OSR Seminar Space
Developing Minifilters 15 Jun 2020 LIVE ONLINE
Writing WDF Drivers 22 June 2020 LIVE ONLINE
Internals & Software Drivers 28 Sept 2020 Dulles, VA