Paste the following command into the Command Prompt window and press Enter: reg add "HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindows NTPrintersPointAndPrint" v RestrictDriverInstallationToAdministrators t REG_DWORD d 1 f.
If the command runs successfully, restart your computer and then try setting up the printer again.
Fix 10: Uninstall Windows Updates
It's possible that the "The operation couldn't be completed" error started appearing after installing a Windows update. In this case, uninstalling that update may help fix the issue.
Open the Settings app and click Windows Update in the lower left corner.
Scroll down to the Related Settings section on cambodia mobile database the next page and click Uninstall updates.
You will see updates that can be uninstalled. To uninstall an update, click Uninstall on the right. Restart your computer, and then try setting up your default printer again.
What you need to know
When trying to fix the "Operation could not be completed" error, first check the name of your printer and make sure it is connected to the network. Also, make sure the printer cord and other wires are properly connected to your computer and are not damaged.
Sometimes a hard reset can help resolve printer problems. Turn off your computer and disconnect the printer cord and any other wired connections. Wait about two minutes before reconnecting the printer and other wires to your computer. If you have a wireless printer, make sure it is connected to the same network as your computer. Then restart the Print Spooler service as described above.