Package manager not starting

Unity Package Manager Diagnostics (v0.1.5)
============
Ran 7 checks
============
6 succeeded
1 failed
============
✅ UPM registry reachable (PASS)
Make an HTTP request to the UPM package registry
>> HTTP/1.1 200 OK
>> X-Powered-By: Express
>> Provider: Genesis
>> Date: Sun, 24 Nov 2019 18:10:35 GMT
>> Connection: close

✅ Ping UPM registry (PASS)
Measure the latency of the UPM package registry API
>> 7 pings made in 5.681 seconds
>> Average latency: 137.26 ms
>> Minimum latency: 136.01 ms
>> Maximum latency: 141.60 ms
>> Standard deviation: 1.95

✅ Ping UPM download (PASS)
Measure the latency of the UPM package download endpoint
>> 5 pings made in 5.102 seconds
>> Average latency: 34.98 ms
>> Minimum latency: 33.77 ms
>> Maximum latency: 35.57 ms
>> Standard deviation: 0.76

✅ UPM registry download speed (PASS)
Test the Internet connection using the UPM package registry
>> Measured speed to the UPM registry: 16.14 Megabits per second

✅ Speedtest.net (PASS)
Test the Internet connection using Speedtest.net
>> Measured speed to the Speedtest.net server: 20.70 Megabits per second

✅ HTTP proxy environment variables (PASS)
Detect whether proxy-related environment variables are set (HTTP_PROXY, HTTPS_PROXY, ALL_PROXY, NO_PROXY, UNITY_PROXYSERVER, UNITY_NOPROXY)
>> No proxy support has been configured through environment variables.

❌ UPM health check (FAIL)
Start the UPM process and call its health endpoint
>> Server started but did not respond to health requests:
>> Error: ETIMEDOUT