Error 43 can occur when Windows suspends the USB root hub.
If Step 3 didn't work, force Windows to forget the bad driver. kinamax ts9900 driver 43
Summary: Code 43 on the Kinamax TS-9900 is rarely a broken device. It is almost always a driver mismatch. Downgrading the Prolific driver to an older version (v3.3.x) is the most reliable fix for this specific adapter. Error 43 can occur when Windows suspends the USB root hub
Windows Update often overwrites custom drivers. Use wushowhide.diagcab (Microsoft’s tool) to block the faulty driver update. Summary: Code 43 on the Kinamax TS-9900 is
