1. Check whether our package or account balance has expired.
2. Check whether antivirus software, a firewall, or other personal security tools are blocking the ports used to connect to the proxy.
3. Wait for a while. If the problem occurred during task execution, the service will remain in standby mode and check the proxies every 5 minutes until they are restored to working order.
If you see from the logs that this has not been happening for a very long time, then there is probably no point in waiting—it is better to stop the task and investigate further, as the proxy may have been blocked.
4. Try reconnecting from another proxy in a similar address range.
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