Wii Error Code 52100-52199 - Wii Error Codes

This error is caused by an unspecified issue.
To solve this error :

Try changing the channel of your wireless router to either channel 1 or channel 11 which can increase download speeds. Be sure to test both channels to see which works better or faster.
You may need to manually set the DNS on your Wii console. To view your DNS settings of your network on a PC, Start > Run > enter CMD > type IPCONFIG/ALL and press Enter.
You may now manually set the DNS for the Wii console after you obtain the DNS information.