Access violation at address 00402520 in module 'pprotocolo exe' read of address?

The error message "Access violation at address 00402520 in module 'pprotocolo exe'" indicates that the program attempted to read or write to a memory address that it is not allowed to access, leading to a crash. This typically occurs due to issues such as dereferencing null or invalid pointers, buffer overflows, or accessing memory after it has been freed. To resolve this, you may need to debug the application to identify the faulty code or memory management issues, and ensure proper error handling and memory allocation practices are in place.