Error Code 30183 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.
5. 
   

Solution 2: SFC Scan to Fix Error Code 30183

The SFC (System File Checker) scan checks and repairs system file corruption. Follow these steps:

SFC /SCANNOW and press Enter.
1. Wait for the scan to complete.

If the scan indicates that “Windows Resource Protection discovered corrupt files but was unable to fix some of them,” run the following command:

DISM /Online /Cleanup-Image /RestoreHealth

Reinstall Microsoft Office
Once the previous steps are complete,  reinstall Microsoft Office:
Office My Account  and log in with your registered email ID and password.
Click the  Install  option under your Office product.
Save the installer setup file if prompted and run it after the download is complete.
Do not go offline or reboot your computer during installation.
Click the  Finish  button when the installation is complete.
In Conclusion
If you are still unable to resolve Error Code 30183 in Microsoft Office 2019/2021/365, we recommend chatting with our assured experts for the best solutions. We guarantee quality service and value for your money.
Visit our  website  for more information or to contact support.
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