cannot set default printer error

Error 0x00000709 Cannot Set
Default Printer on Windows
[Solved]
Sophie Luo, Last Updated: 2 months ago in printer issue

If you get this message Operation could not be
completed(error 0x00000709). Double click the printer
name and make sure that the printer is connected to the
network when you fail to set your printer as the default
one, you’re not alone.

Many Windows users are reporting this problem as well.
But no worries, it’s possible to fix.

Here is one of the most effective methods for you to try.
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Note: The following screen shots are shown on Windows 7,
but the fixes apply to Windows 10 and Windows 8 as well.

IMPORTANT: Modifying the registry in your computer could
cause irrecoverable error if the modification is done
incorrectly, therefore, it is very important for you to back up
your registry first.

1) Click the Start button, then type regedit and press Enter.

If User Account Control comes up, please chose Yes at the
prompt.

2) Follow the path

HKEY_CURRENT_USER\Software\Microsoft\WindowsNT\CurrentVersion\Windows.

3) 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 encounter this sort of error “Cannot edit
Device: Error writing the value’s new contents“, please
follow the steps below to set the permission of the key.

a) Right-click the Windows key on the left side of the panel
and then click Permissions....

b) Tick the box Allow for Full Control and Read, then
click Apply and click OK to save the change.

4) Right-click UserSelectDefault and click Rename to
rename it as your printer name.

There you go! You should be able to set up your default
printer now!