Event ID - 1001

Event Id1001
SourceUserinit
DescriptionCould not locate the script command lines in the Group Policy Object
Event InformationInformation From Onr Of The Group May Help You
..1. Double-check your GPOs for a script definition that may simply be old or no longer in effect. What this also could be is that the user in question has a reference to an old GPO-based script stuck in its user registry hive.

2. Check in HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System\Scripts (while the user is logged on, of course), and just remove any references that are found there.
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