If they say, they have banned your account. you need to request them to reactivate it.
If they confirm, the account is live. you need to follow the instructions given below to fix the problem.
First of all, you need to repair the windows registry files on your computer.
Now scan your computer with good antivirus software like- malware bytes, hitman pro, Norton internet security, etc.
After optimizing the computer, you should plan to uninstall the AIM from your computer and re-install it using the latest setup file.
If you have performed all these instructions but somehow if you are still getting error code 11. You need to factory restore your computer to the back date. now install the application again.
Finally, your application will be installed. you can go ahead and log in your account there. in case, if you face any kind of trouble with account sign in. you can.
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