This page needs updating by default you cannot run **Set-ExecutionPolicy Unrestricted
Copilot (paid version) gave me this to allow the above **
Set-ExecutionPolicy Unrestricted -Scope CurrentUser
Then Windows 11 wont run that ps file because of Smart App Control! So you cannot just right click on the file and run it in PS you have to open PS in admin mode then CD to file location then run
.\“eve-network-diagnostics v11.ps1”
Obviously wouldnt take any of the above as gospill but CCP should update the page to reflect MS changes to Windows 11**
Lol after all that I can now connect before I can do the support case** 
https://support.eveonline.com/hc/en-us/articles/5885131953564-Network-Diagnostics?lgn=1