This is the number one cause of the "Patch Failed" error.
: The proxy needs permission to modify system files, including the hosts file in C:\WINDOWS\system32\drivers\etc\ . Hisuite Proxy Patch Failed
: Completely uninstall your current version of HiSuite and restart your PC before installing the older one. 2. Clear Port 7777 Conflicts This is the number one cause of the "Patch Failed" error
: The error can occur if another application is using port 7777 . On Asus laptops, for example, users on GitHub reported that closing ArmouryCrateControlInterface.exe resolves the failure. Hisuite Proxy Patch Failed