Attaching a debugger to the print filter pipeline service

As you should know by now, Application Verifier (and Print Verifier) works by sending error messages to the debugger that is attached to the associated process. For XPSDrv drivers, the filters are hosted by the print filter pipeline service, so you must attach a debugger to printfilterpipelinesvc.exe. Note: I am making the assumption that you…


Enabling PrintVerifier for XPSDrv

I wanted to use the next couple of posts to cover PrintVerifier in the context of XPSDrv. I don’t plan on covering the workflow involved in debugging individual stops since the troubleshooting steps for stops that you encounter in the XPSDrv scenario are exactly the same as other stops. Identify the stop code from the…


New stops

We just released a new version of Application Verifier. As part of this release, we added a number of stops to Print Verifier. Unfortunately, we neglected to document these stops in the recent release of App Verifier. By the time we discovered this mistake, it was too late for the doc writers to update the…


Unintended hibernation

Sorry for what might have seemed like terminal hibernation. We’ve just been busy working on PrintVerifier and other components of Windows that we haven’t had time to update this blog. We hope to be more active in this space in the coming weeks and months.