I can\'t figure out when this started to happen, but the result is - 127.0.0.1 is not working on any port from anywhere (for example, browser says Unable to connect). Here a
If it's a DNS problem, you could try:
If this doesn't fix it, you could try editing the hosts file located here:
C:\Windows\System32\drivers\etc\hosts
And ensure that this line (and no other line referencing localhost) is in there:
127.0.0.1 localhost