Are you bothered by run time error 8020 reading comm rig after updating or upgrading Windows?
What causes this error?
In this guide onMiniTool Website, we will help you to find out the causes and solutions.

Both hardware and software problems can be the culprit of this error.
Hardware issues Damaged cables, connectors, or communication devices.
Improper connection of computers and the machine.

Software issues Some applications or drivers might hinder the functioning of the communication gadget.
Therefore, it is of vital importance to back up your data for a rainy day.
Here, it is strongly recommended to back up your files with theWindows backup softwareMiniTool ShadowMaker.
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Download it now for a try!
Fix 1: Reinstall the Driver
Outdated or incompatible machine drivers might cause runtime error 8020.
Therefore, you’ve got the option to update or reinstall the driver.
Heres how to do it:
Step 1.
PressWin+Sto evoke thesearch bar.
Typedevice managerin the search bar and hitEnter.
Reboot your PC and Windows will reinstall the driver automatically on startup.
Also see:
How to Update Drivers in Windows 11?
Try 4 Ways Here!
How to Roll Back a Driver in Windows?
To do so:
Step 1.
Typeappwiz.cpland hitEnterto openPrograms and Features.
Right-tap on the conflicted program and chooseUninstall.
HitUninstallto confirm your action and follow the instructions on the screen to complete the process.
Unable to uninstall program Windows 10 (from control panel)?
Check the 6 solutions for how to force uninstall a program that wont uninstall Windows 10.