1. If your application is based on Vista core audio and replies on DEVICE_STATE_DISABLED flag, you may encounter issue. There is no core audio API/flag can be used to replace. An ugly and unsupported workaround is to check/monitor some registry keys....

10055 error is a very "common" socket error if you write socket application. On NT platform, generally speaking, the reason why this error occurs is because non-paged pool memory is almost used up. Before you use performance monitor to check non-paged...

How long? haf day or maybe one day. You may encounter the symptom when calling TransmitFile to send a file from one socket to another socket. There are many possible reasons may make TransmitFile hang, before you capture kernel dump, update NIC driver...

You may be occasional encounter such symptom: your window based application that hosts a WMP OCX control does not fully quit after you close the window. The window got disappear successfully, but you still can find the process running in task manager...

There are two kinds of license acquisition mechanism in MS DRM: silent and non-silent. If content providers implement both of them in DRM license server application, Windows Media Player should go silent mode first as long as automatically downloads usage...

You may find your legacy program failed on calling AVIFileOpen when it is trying to open a custom AVI file on Windows Vista. The returned COM error is -2147205011(0x8004406D). But the program works fine on WinXP when opening same AVI file. If you're...

It's time to try the built-in cache proxy plug-in of WMS9.5. If you already developed custom proxy cache plug-in for WMS9.1, you also can install it on WMS9.5 and the plug-in should be working fine as well. But you might want to test whether the own plug...

ASFView may complain some audio samples’ presentation time is incorrect if you open an ASF file using it. There are many different reasons can cause incorrect presentation time issue, if you wrote own encoder application based on Format SDK, you may take...

Someone asked me how to adjust DSCP value on Windows 2003 server. Of course, you can adjust it in local policy’s network template, but I want to introduce another way. Firstly, you need to install QoS Packet Scheduler services: Secondly...

Windows Media Services (WMS) 9.5 RTWed. Now you can grab all installation packages from MSSite . Be sure you’re downloading correct version, if you’re still using Windows 2008 RCx, you also can be able to find related WMS 9.5 RC packages from here . ...