Global Protect Installation Fails On Windows Work Download With Network Resource Unavailable -
Delete the C:\Program Files\Palo Alto Networks and %AppData%\Local\Palo Alto Networks folders before re-installing.
Global Protect installation fails on Windows download ... - Clear
: Press Win + R , type regedit , and hit Enter.
Run the installer via Admin CMD using: msiexec.exe /i GlobalProtect64.msi /l*v install_log.txt to see exactly why it's failing.