If the physical and driver fixes don't work, the problem is likely specific to an application.

If Windows restarts normally, the issue is likely software-based. To isolate it, boot into Safe Mode:

Corrupted session state tokens can continuously feed outdated authentication data back to the host server.

Error RG45 (and its close relative, RP13) is a security-related block on Chess.com . It typically indicates that either your or your IP address has been blocked from accessing the site. Common reasons for this block include:

The system error RG45 can be a frustrating issue, causing disruptions to your workflow and potentially leading to data loss. Fortunately, this error can often be resolved with some basic troubleshooting steps. In this write-up, we'll walk you through the possible causes of the RG45 error and provide a comprehensive guide on how to fix it.

Deep-seated malware often attaches itself to premium memory sectors to avoid detection, mimicking system functions and triggering RG45 failures. Open your primary security suite or Windows Security.

This means the site's security system has identified activity originating from your internet connection that violates the website's terms of service. It is often referred to as an "IP Ban". Common Causes of RG45

If you have ruled out temporary network glitches, your IP or account requires manual review by a moderator. Navigate directly to the official Chess.com Support Portal.

I'm getting error code RG45. What should I do? | Chess.com Help Center

This error occurs when the operating system loses low-level connectivity with the physical ethernet port interface. While "RJ45" refers to the physical ethernet cable and port, the software-facing error "RG45 Top" indicates that the upper layers of the network software stack (like TCP/IP) cannot bind to the hardware. Common causes include: Corrupted network adapter drivers. Invalid IP or DNS cache configurations. Power management conflicts turning off the network card. Faulty ethernet cables or damaged port pins. Step-by-Step Solutions

: Navigate directly to the official Chess.com Support Portal.