As the WebDriver UDF - Help & Support thread has grown too big, I started a new one.
The prior thread can be found here.
try to use _WD_CapabilitiesAdd
_WD_CapabilitiesAdd('alwaysMatch')
_WD_CapabilitiesAdd('acceptInsecureCerts', True)
_WD_CapabilitiesAdd('firstMatch', 'chrome')
_WD_CapabilitiesAdd('browserName', 'chrome')
_WD_CapabilitiesAdd('w3c', True)
_WD_CapabilitiesAdd('args', 'user-agent', 'Mozilla/5.0 (Windows NT 10.0; Win' & StringReplace(@OSArch, 'X', '') & '; ' & @CPUArch & ') AppleWebKit/537.36 (KHTML, like Gecko) Chrome/' & _WD_GetBrowser