Toad communicates with a server to the feedback program which gathers anonymous statistics on product usage to help make product improvements.
Something ight be blocking the access to this server so the solution is to disable this communication from Toad.
Go to C:\Users\[USER]\AppData\Roaming\Quest Software\Toad for Oracle\16.2\User Files
Search and open Toad.ini file
Set FeedBackOptIn=0 in the [SETTINGS] section of Toad.ini. If there is no line for FeedBackOptIn=<value> then add a new line for it.
If there is not a Toad.ini created at all, then make a new Toad.ini and set its contents to
[SETTINGS]
FeedBackOptIn=0
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