I'm assuming you are talking about the nintendo DS. Here is the info on that error code straight from nintendo:
Error Code: 52203
The Access Point you are attempting to connect from is not connected to the internet or a firewall is blocking traffic necessary for connecting to Nintendo Wi-Fi Connection. What to do will depend on where you are trying to connect from:
What to do:
If you have multiple connection files saved to your Nintendo DS, the error message you received can help determine which connection file may be experiencing a problem:
- Errors ending in 0 = connection file 1
- Errors ending in 1 = connection file 2
- Errors ending in 2 = connection file 3
- Errors ending in 3 = Nintendo Wi-Fi USB Connector
- Verify that your router is connected to the internet when attempting to connect to the Nintendo Wi-Fi Connection. If you are not able to access the internet on your computer, then there is a problem with your internet connection. Contact your Internet Service Provider (ISP) for more information.
- America Online (AOL) broadband users may experience difficulties when attempting to connect to the Nintendo Wi-Fi Connection. Please contact America Online for assistance.
- If this error occurs regularly, while you are playing at home, it is likely a connection problem related to your firewall settings. For more information on firewalls and the Nintendo WFC, click here.
If the above information does not work, and you are using the Nintendo Wi-Fi USB Connector,
click here for additional assistance.
If the above information does not work, and you are connecting at home with a wireless router, there could be settings on your router that need to be adjusted. Please
click here for more information.
Connecting from a non-partnered Hotspot:
If you have multiple connection files saved to your Nintendo DS, the error message you received can help determine which connection file may be experiencing a problem:
- Errors ending in 0 = connection file 1
- Errors ending in 1 = connection file 2
- Errors ending in 2 = connection file 3
- Errors ending in 3 = Nintendo Wi-Fi USB Connector
- The access point at the Hotspot may not be experiencing problems. Ask the staff on site if their Wi-Fi network is up and running.
- If the Hotspot's access point has a built-in firewall or other security that interferes with the necessary transmissions from the Nintendo DS, then the access point will not be compatible with the Nintendo DS.
- Try another Hotspot. To search for known Hotspots in your area, click here.