Error Code 30175-4 in Microsoft Office 2019/2021/365 can occur on Windows 10 or Windows 11. This error may be caused by issues such as an unstable internet connection, antivirus software, firewall, proxy settings, or a corrupted/old Office installation preventing proper installation of Office.

Solution 1: Disable Defender and Antivirus Temporarily

Temporarily disabling Windows Defender and antivirus software can resolve Error Code 30183.

Disable Windows Defender:

1. Open the antivirus application (e.g., McAfee, Norton, AVG) installed on your computer.
2. Go to Settings and select Real-time Protection.
3. Turn off Real-time Protection.
4. Navigate to the antivirus firewall settings and select Turn off Antivirus Firewall.

• ERROR
• CODE
• 30175-4
• MICROSOFT
• OFFICE
• 201

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