ITunes Errors/-98xx

Error -9843
This error happens if you are logged out, try to download something from the iTunes Store and if you click on "Download" and enter an account, which doesn't have this article, this error will occur.

Error -9815
Set exact date, restart computer. See also KB TS1276.

Error -9814
Set exact date, restart computer. See also KB TS1276.

Error -9812
Check system time, reset Internet connection, update root certificates. See also KB 3222.

Error -9808
Computer system time incorrect.

Error -9800
Set exact date, restart computer. See also KB TS1276.