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If the error persists after all software resets, your motherboard's onboard network chip may be physically failing. You can bypass the internal port by using an external USB-to-Ethernet adapter. If the error disappears while using the adapter, your onboard network card requires hardware replacement. To help me narrow down the cause, could you tell me:

: Internet Service Providers (ISPs) often cycle public IP addresses among different customers. You may have inherited a "dirty" IP address previously used by a malicious actor who incurred a permanent block. The Official Fix: Submitting a Support Ticket

Clearly state that you are receiving the RG45 error and ask for a review of your IP address. 3. Change Your IP Address

According to the Chess.com Help Center , Error RG45 (and similar codes like RP13) indicates that your account or your specific IP address has been flagged and blocked from accessing the platform.

Below is a structured to help resolve the issue.

How to Fix System Error RG45: A Comprehensive Guide Encountering a system error can be incredibly frustrating, especially when it disrupts your workflow or entertainment. One such error that has been causing issues for users on Chess.com is the .

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