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"Logon failure: unknown user name or bad password"

Aug 21, 2016 at 2:29 AM
On reverting from Windows 10 to Windows 7 There were 56 corrupted tasks. Repair Tasks corrected 44 of the first pass. Another 6 were corrected by "Taking tasks from" "Windows7". The remaining 6 tasks were tasks I had defined with "run whether user is logged on or not" Repair of these failed with "Logon failure: unknown user name or bad password". To fix these I:
1. edited the saved definitions changing "LogonType>Password</LogonType"  to  "LogonType>InteractiveToken</LogonType" 
2. ran "Taking tasks from"  from the backup with the editted task definitions.
3. rebooted the computer.
Rebooting was necessary because the Task Scheduler froze, probably due to my edits. I can't remember the rather cryptic message

Overall, a very successful recovery. Thank you for all your work.