Report better error on windows on port conflict with winnat

Hi DevOps My Ollama was working fine for me until I tried to use it today not sure what has happened. The LOGS show this repeated Crash and attempt to reload in the app.log Time=2024-03-25T12:09:31.329-05:00 level=INFO source=logging.go:45 msg="ollama app started" time=2024-03-25T12:09:31.389-05:00 level=INFO source=server.go:135 msg="unable to connect to server" time=2024-03-25T12:09:34.633-05:00 level=INFO source=server.go:91 msg="started ollama server with pid 33376" time=2024-03-25T12:09:34.633-05:00 level=INFO source=server.go:93 msg="ollama server logs C:\\Users\\David\\AppData\\Local\\Ollama\\server.log" time=2024-03-25T12:09:35.525-05:00 level=WARN source=server.go:113 msg="server crash 1 - exit code 1 - respawning" time=2024-03-25T12:09:36.037-05:00 level=ERROR source=server.go:116 msg="failed to restart server exec: already started" time=2024-03-25T12:09:37.038-05:00 level=WARN source=server.go:113 msg="server crash 2 - exit code 1 - respawning" time=2024-03-25T12:09:37.550-05:00 level=ERROR source=server.go:116 msg="failed to restart server exec: already started" time=2024-03-25T12:09:39.557-05:00 level=WARN source=server.go:113 msg="server crash 3 - exit code 1 - respawning" time=2024-03-25T12:09:40.071-05:00 level=ERROR source=server.go:116 msg="failed to restart server exec: already started" time=2024-03-25T12:09:43.072-05:00 level=WARN source=server.go:113 msg="server crash 4 - exit code 1 - respawning" time=2024-03-25T12:09:43.572-05:00 level=ERROR source=server.go:116 msg="failed to restart server exec: already started" time=2024-03-25T12:09:47.587-05:00 level=WARN source=server.go:113 msg="server crash 5 - exit code 1 - respawning" time=2024-03-25T12:09:48.087-05:00 level=ERROR source=server.go:116 msg="failed to restart server exec: already started" time=2024-03-25T12:09:53.087-05:00 level=WARN source=server.go:113 msg="server crash 6 - exit code 1 - respawning" time=2024-03-25T12:09:53.599-05:00 level=ERROR source=server.go:116 msg="failed to re…