How to resolve the error 10049 returned by the bind function in socket communication?

Error code 10049 signifies that the specified address is invalid, resulting in a failed bind function call. Here are some common reasons and solutions.

1. The IP address or port number is invalid: please ensure that the bound IP address and port number are valid. The IP address can be represented as “0.0.0.0” to bind all available local IP addresses, and the port number should be a valid one.
2. The address is already in use: Please make sure the address you are trying to bind is not being used by another process or program. You can try using a different port number or closing the program that is using the address.
3. Insufficient permissions: Some operating systems may require binding operations to be run as an administrator or root. Please run the program again as an administrator or root.
4. Network configuration issue: It may be due to incorrect network configuration causing the binding to fail. Please check the network configuration and ensure that the network is functioning properly.
5. Firewall or security software: Some firewalls or security software may block programs from communicating over the network. Please check the settings of your firewall or security software and allow the program to communicate over the network.

In summary, to solve error code 10049, it is important to ensure that the bound address is valid and not already in use, that the program has sufficient permission to bind, that the network configuration is correct, and that no firewall or security software is blocking network communication.