Attempt an isolated login to see if your extensions or local cookies are triggering a security script check.
Bad sectors on your hard drive can also trigger the 0x00000045 error.
alexnam190. Apr 5, 2026. me too. Apr 5, 2026. alexnam190 wrote: me too. https://support.chess.com/en/articles/8583549-i-m-getting- how to fix system error rg45 top
Provide your current IP address (found via any public IP checking tool) and any past usernames you have safely used.
Reconnect the power cable and allow the hardware to complete its handshake cycle. Attempt an isolated login to see if your
To fix , you must address an IP address or account block imposed by a web service —most notably Chess.com . This error triggers when security systems flag your network location due to policy violations, shared network abuse, or VPN conflict.
: 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 Apr 5, 2026
: Click the Help/Support widget located at the bottom left or right corner of the screen.
Software is another major cause of hardware errors.
| Symptom | Most Likely Fix | |---------|----------------| | No link light on top port | Bad cable or port debris – clean/replace cable | | Error only at boot | Driver timing issue – disable/re-enable adapter | | "RG45" in app log | Typo in application – ignore or update software | | Port works, error remains | Malfunctioning device – use different port or USB adapter | | Physical damage to top port | Solder repair or replace device |
If you suspect hardware issues, running a disk check can help.