Enter E-20mp Webcam Driver

Be aware: The "E-20MP" label is often interpolated resolution. The true sensor is likely 2MP to 5MP. Installing the correct driver won't magically give you 20MP quality, but it will give you the cleanest signal the hardware can produce.

Solution: Go to Windows Power Options → USB settings → Disable “Selective suspend.” Also, use a powered USB hub – budget webcams often undervolt. enter e-20mp webcam driver

Since the manufacturer's website is often sparse, use Device Manager: Be aware: The "E-20MP" label is often interpolated