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**Thu, 14 Mar 2019**     **118020 members**












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Welcome!

OSRONLINE is OSR's Legacy Community Site

**For information about our OSR's seminars and services, please visit our Corporate site at http://www.osr.com.**

Welcome to OSR's original community web site, named "OSRONLINE." Established back in 2004, it contains articles from the first ten years from The NT Insider, as well as other historical content.

**Today, this site exists in read-only form for archive/historical purposes only.**

C Things that you might be specifically looking for, and that have been moved, include:

- OSR's NTDEV, NTFSD, and WinDbg peer help forums -- When you have a question or problem relating to developing Windows system software, these are the forums smart people turn to. See a description of the Community and how to access the forums here.

- The NT Insider -- OSR's System Software Development publication. Long ago, The NT Insider moved to its new home at OSR.COM here.
- OSR's Online Crash Dump Analyzer still lives on this site (at least for the time being) -- Upload your crash dumps and get an instant online analysis. Free! Give it a try here.

New, up-to-date posts in the OSR's staff's Developer's Blog can be found on our new Corporate site. All the content from The NT Insider (OSR's journal of Windows system software development) can also be found on OSR.COM.

To access the new OSR Corporate site please visit http://www.osr.com.

OSR DEV BLOG

**IMPORTANT NOTE:**
OSR Dev Blog posts are now being created and posted at http://www.osr.com/developers-blog/. Please check that location for future posts. We are listing the most recent posts from that site here, as a convenience. See the full list of our blog posts here.

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**PSA: FsRtlIsNameInExpression Can Raise an Exception**
Well, THIS one was a surprise…After triggering a memory leak in a driver, the system Read more

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**NTFS Status Debugging**
As a file system filter developer, one of the great pains in life is when Read more

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**Check out the new Virtual Hardware Lab Kit (VHLK)**
A big complaint I’ve always had about the HLKs is the overhead of getting a Read more

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**It’s 1809… A New WDK Awaits You… Don’t Be Afraid!**
Well, OK… It’s not really 1809 anymore. It’s actually 1810 when I’m writing this.  But Read more

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**Ready for the Community Move?**
We’re ready… well, at least we think we’re ready.  Are YOU? New web site:  community.osr.com Read more

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THE NT INSIDER

The NT Insider Digital Edition - May-June 2016 Now Available!   Last Updated: 01-Jun-16  (Read 26249 times)
The May-June 2016 issue of The NT Insider is available exclusively in PDF format for download. Click the image of The NT Insider to the left for the details, and the download link to use.

Articles include:

\- Peter Pontificates: Computer Science Education: Yup, Still Sucks
\- Introduction to Simple Peripheral Bus Devices and Drivers
\- Tips for Using I/O Targets
\- Today in Driver Signing
\- Analyst's Perspective: My Driver Passes Driver Verifier! (Or Does It...)
\- Bye-Bye Co-Installers\>
...and more!

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The NT Insider is moving to OSR.COM!   Last Updated: 14-Aug-14
To make way for an all new and much improved community web site, the primary home page for The NT Insider has moved to a dedicated section on OSR's corporate web site at http://www.osr.com/nt-insider/. There, you'll find links to PDF versions of all recent issues of The NT Insider as well as HTML versions of recent articles.   Last Updated: 14-Aug-14

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