shawn
thanks for working this. I am working on a machine that has this disease.
I turned off everything I could find associated with backup scheduling, execution, whatever. still had the red flag message on the task bar.
[after several reboots, retries].
followed your link to your tutorial and did the reg fix.
the registry on this system, after deleting the several keys per your advice, does not look like the one in your illustration. I'm attaching a screenshot.
after completing the task and logging out, and rebooting, the error message remains unfazed. still have the annoying error red-x on the control panel, and in opening Action Center Settings [which, btw, is set to NOT BUG the user about Backup] the annoying message is still there, front & center under "MAINTENANCE" : "Insert Removable media (Important) Windows backup needs a CD\DVD or USB drive to continue".
this is beyond exasperating. where on earth did this aggravation come from? this is the first system I have seen it on and unfortunately the user is one of those who ALWAYS installs whatever updates MS pushes on tuesdays... so I dunno when the bug began.
thx