| Error in Windows 11 | Likely Cause | Fix |
|---------------------|--------------|-----|
| "This driver is not digitally signed" | Unsigned kernel driver | Use Zadig + libusb instead of vendor driver. |
| Device shows but no video | Wrong chipset driver | Check USB ID (Device Manager → Details → Hardware Ids). Search VID_05E1&PID_0408 (eMPIA) vs VID_05E1&PID_0100 (STK1160). |
| Audio not working | Audio endpoint missing | EasyCAP audio often requires separate driver. Use external line-in on PC. |
| Blue screen (BSOD) on plug-in | Faulty .sys driver | Uninstall driver in Safe Mode, revert to libusb. |
OBS Studio (recommended):
VLC Media Player (quick test):
For advanced users who don’t want to disable signature enforcement every boot:
This is overkill for most users – the temporary disable method works fine, as you rarely need to reinstall the driver.
Before downloading random files, you should identify the specific chipset of your device.
Look for the VID (Vendor ID) and PID (Product ID).
Do not use the CD that came with the device – those drivers are for Windows XP. Instead, use updated sources. Because driver links change frequently, here are the stable, known-working sources as of 2026: