How to Resolve 0x00004ec Error when Installing Driver
If you have encountered the error, "Operation could not be completed (Error 0x00004ec9). This program is blocked by group policy," it is likely because your computer has Windows Protected Print Mode enabled. This security feature prevents users from installing third-party drivers. To resolve this issue, you will need to disable Windows Protected Print Mode. (For more information, check the official Windows overview: Overview of Windows Protected Print Mode)
How to Disable Windows Protected Print Mode
1. Press Start.
2. Navigate to Settings > Bluetooth & Devices > Printers & scanners.
3. Scroll down to Printer Preferences and under Windows protected print mode select Turn off.
4. Click Yes and close the window.
Windows protected print mode is now disabled. You can now reinstall printers that use third-party drivers.
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