2019 R3 Build 2803

I'm transitioning from using a Microsoft Web Browser OLE control on a tabpage in a window to the recommended Web Browser control (WebView2).

A couple of things:

1. Any URL I use in the Navigate function takes 20 seconds to display within the Web Browser control. Once displayed, there is no delay browsing within the control. Why? How do I fix this? Disabling anti-virus was no help. Firewall's not holding it back. 

Compared to using the old OLE control or pasting the url to chrome, the websites open normally --less than a few second(s). I thought maybe it was my dev pc so I compiled and tried on my test pc but it's still waiting 20 seconds to show a URL. Both pc's are Windows 10 Enterprise N 22H2.

li_rtn = wb_1.Navigate(ls_URL) 

2. I'd like to know how I can programmatically clear the cache on a Web Browser control.

As always, thanks for any help.