Error code 20 is a Windows error code that indicates a problem with the registry. This can be caused by a variety of things, but most often it is caused by a corrupt or missing registry key. This can be fixed by running a registry cleaner or by manually editing the registry.
You are here because you have a question about:
- error code - 20
- error code 20
1. Restart your computer
- Boot your computer into Safe Mode with Networking.
- If the error code 20 is still occurring, press F8 to open the Advanced Boot Options menu and select Safe Mode with Networking.
- After your computer enters Safe Mode, attempt to fix the error code by performing a system restore.
- If the error code 20 is still occurring, restart your computer using the Advanced Boot Options menu.
2. Update your drivers
- Open the Windows Device Manager by pressing the Windows key + X and selecting "Device Manager".
- Expand the "Ports (COM & LPT)" node and see if there is a "USB Serial Port" or "USB Serial Port 2" listed. If there is, right-click on it and select "Update Driver".
- If there is not a "USB Serial Port" or "USB Serial Port 2" listed, right-click on the "System Devices" node and select "Update Driver".
- Select the "USB Serial Port" or "USB Serial Port 2" that you wish to update and click on "Update Driver".
- Select the "Driver" tab and click on "Browse my computer for driver software".
- Locate the "USB Serial Port" or "USB Serial Port 2" driver that you wish to install and click on "Install".
- Once the driver has been installed, click on "OK".
- Close the Device Manager.
3. Reinstall your drivers
- Open Device Manager by clicking on the Start button, clicking on Control Panel, clicking on System and Security, and then clicking on Device Manager.
- Double-click on the device that is having the error and click on the Driver tab.
- Click on the Update Driver button and select the appropriate driver from the list.
- Click on the Install button and wait until the driver is installed.
- Close Device Manager and restart your computer.
Still not working? maybe try one of these options:
- Run a virus scan.
- Check for hardware issues.
- Repair your registry.
- Clean your registry.
- Run a system file checker.
- Update your BIOS.
- Reset your BIOS.