Below we will show you how to work your way around the problem. Updates come in the form of 64 bit and 32-bit drivers. To protect your PC from getting this code, you will have to make sure that your Windows 11/10 never updates a driver without approval. If you are using a fake, the manufacturer has a way of disabling it due to copy write infringement and the copy write takes effect once you download a recent update.
I am using a driver version 3.3.2.105 (you do not need to install in compatibility mode). Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. I can confirm that the older drivers do work. Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantee maximum functionality. Part 2: Solutions to Fix Prolific USB to Serial Driver Not Working Solution 1: Roll Prolific USB to Serial Driver Back to An Older Version Read on to find quick fixes to resolve the problem. The older drivers do not do this and so they will continue to work. The reason is that Prolific USB/Serial chip clones are often used in generic USB programming cables and the newer Windows drivers actual detect this and refuse to work. While you can't be so sure what the exact problem is there are solutions you can adopt to fix the issue once and for all. I am using a driver version 3.3.2.105 (you do not need to install in compatibility mode). If you are not able to connect your device to your PC using a USB to Serial adapter it may be that:
Part 2: Solutions to Fix Prolific USB to Serial Driver Not Working.