How to fix Operation Could not be completed error (0x00000709) double check the
Click the Start (Windows icon) on keyboard or computer screen left buttom , then type in the search box regedit and press Enter.
Click on yes option
Registry appeared on your screen
IMPORTANT:Before you continue, first take a backup of your registry. To do that:
From the main menu, go to File & select Export
Specify a destination location (e.g. your Desktop), give a filename to the export registry file select at Export range: All and press Save.
After you backed up your registry, navigate (from the left pane) to this key:
Follow the path HKEY_CURRENT_USER\Software\Microsoft\WindowsNT\CurrentVersion\Windows.
Double-click Device. Type in your printer name. (The screen shot here is an example only.)
Click OK to save the change.
Note: If you show this sort of error “Cannot edit Device: Error writing the value’s new content
Please follow the steps below to set the permission of the key.
Right-click the Windows key on the left side of the panel and then click Permissions….
Click on add button
Type in the box Everyone then click check name button
and click apply and ok
Select Everyone in group and username then tick on full control allow and click apply and ok
Right-click UserSelectDefault and click Rename to rename it as your printer name.
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