I am having this exact same problem all day today.
When I lock my screen (or when it locks auto) I do the following:
Move my cursor, the login prompt appears.
I enter p/w, it displays my desktop for a split second and then brings me back
to the login prompt again.
After entering p/w again it now
UPDATE:
If I move the cursor within 10 seconds of locking screen then I only need to
login once.
But as soon as it goes beyond 10 seconds from when I locked I need to login
twice...
I thought initially it may be to do with the screensaver as it only starts up 5
seconds after the screen goes bl
