How do I fix AOL mail error 521?
Follow these steps to fix the error:
- Start by repairing or modifying registry entries associated with AOL mail error 521.
- Next, run spyware software onto your system and clean out all the junk files and folders in it.
- Also, update all the drivers of your device and select Windows System Restore option to undo any recent changes made to the system.
- Next, re-install the AOL program by uninstalling the previous software.
- Finally, perform a clean window installation, complete window update, and run window Systems file checker to fix the error.