Hey, Emma --- Ian here with some answers rather than guesses.
It's with the connection on your end (not a "Windows problem").
try this:
Check if you have "limited" connectivity due to
ipv6 problems
Go in your Networksettings Properties
Disable ipv6
disable iphelper
more info
Disable the IP Helper service:
1. Hold the Windows key and type R, enter "services.msc" (without the
quotes) and press Enter
2. Scroll down to the IP Helper service, right click on it and select
Properties
3. In the dropdown box that says "Automatic" or "Manual", set it to
Disabled and then click on "Apply"
4. Then click on "Stop" to stop the service from running in the
current session
5. Click OK to exit the dialog
Disable IPv6:
1. Hold the Windows key and type R, enter "ncpa.cpl" (without the
quotes) and press Enter
2. Right click on each network connection and select "Properties"
3. Remove the checkmark from the box next to "Internet Protocol
Version 6 (TCP/IPv6)
4. Click OK to exit the dialog
NOTE: You should do this for each network connection.
Anyone can find the answers if they bother to look for them ... 