How to fix 443 error?

Error 443 can occur due to system file damage of Windows operating system. Therefore, Windows registry keys might be damaged, and your computer might not operate properly.

Several methods could help you fix error 443. You can start by using System File Checker:

Type in "Command Prompt" or "cmd" into the search box
Right-click on search results and pick Run as administrator
Type in sfc /scannow and hit Enter
Windows will fix errors automatically and will inform you if any were found.

You can also go with System Restore:

Type "Control Panel" into the search box
Select System and Security > System
Go to System Protection on the left pane and then choose System Restore
Pick a restore point and follow on-screen instructions.

Alternatively, you can use automatic repair solutions like Reimage - it can fix a variety of issues related to Windows system files.

Good luck!