Task Scheduler – The following error was reported: 2147944309.

This common task scheduler message is cryptic, and means nothing without some digging,  you can see below how we find the true answer to what it means,  but the short answer is:

Account Is Locked Out

Why?
0n2147944309 = 0x80070775
Facility: 8007 = Win32 (it’s a “Win32″ status code)
Status: 0x775 = 0n1909
Q:\>net helpmsg 1909
The referenced account is currently locked out and may not be logged on to.