[VPN connectivity issues: network failure after a while]

I use *Private Internet Access* (https://www.privateinternetaccess.com/) to handle VPN access *My problem?* After a while passes, i have no internet or LAN connectivity. Explorer may occasionally crash. *What does it say/else happens? * -Home LAN says its got no internet access. - If LAN is disabled it will not enable once again until a full reboot. - The VPN application still says...