Even with a "patched" or working driver, users frequently report: Audio Desync: The audio may jump or lag behind the video. OBS "Capture Filter" Errors:

As the computer boots up, repeatedly press the key before the Windows logo appears.

The goal is to force Windows to recognize your specific hardware ID. First, find your actual Hardware ID:

Is the device currently showing up as or "USB Composite Device" ? Do you have the Hardware ID (from Device Manager) handy?

Because you used a patched driver, Windows 7 might block it again the next time you turn on your PC. To permanently allow the driver to run:

As the computer boots up (before the Windows logo appears), repeatedly tap the key.

Thus, even if you own a perfectly functional IT9910 capture device, you are often left with .

Standard, unpatched drivers frequently trigger errors on Windows 7 64-bit due to two primary obstacles: