Fix_Office_Error_30034-4_Guide
                     How to Fix Microsoft Office Error Code 30034-4
1. Disable Firewall and Antivirus Temporarily
- Security software can sometimes interfere with the Office installation process.
- Turn off Windows Firewall:
-   - Go to Control Panel > System and Security > Windows Defender Firewall.
-   - Click on 'Turn Windows Defender Firewall on or off'.
-   - Select 'Turn off Windows Defender Firewall' for both private and public networks.
- Disable Antivirus Software:
-   - Open your antivirus application.
-   - Navigate to settings and turn off real-time protection.
-   - Also, disable any firewall features within the antivirus software.
2. Delete Temporary Files
- Removing temporary files can help eliminate corrupted files that may hinder the installation.
- Press Windows + R, type 'C:\Windows\Temp', and press Enter.
-   - Delete all files in this folder.
- Press Windows + R, type '%temp%', and press Enter.
-   - Delete all files in this folder as well.
3. Run System File Checker (SFC) Scan
- This tool scans and repairs corrupted system files.
- Open Command Prompt as an administrator.
- Type 'sfc /scannow' and press Enter.
- Wait for the process to complete and follow any on-screen instructions.
4. Repair or Remove Existing Office Installation
- A previous or incomplete Office installation can trigger error 30034-4.
- Go to Control Panel > Programs and Features.
- Find Microsoft Office in the list, right-click, and select 'Change'.
- Choose 'Repair' and follow the prompts.
- If repair doesn't work, uninstall Office from the same menu.
- After uninstallation, restart your computer and attempt a fresh installation.
5. Update Windows
- Ensuring your operating system is up to date can resolve compatibility issues.
- Go to Settings > Update & Security > Windows Update.
- Click on 'Check for updates' and install any available updates.
6. Reinstall Office from Microsoft Account
- Downloading a fresh copy of Office can resolve issues related to corrupted installation files.
- Visit https://account.microsoft.com and sign in.
- Navigate to 'Services & subscriptions'.
- Find your Office product and click 'Install'.
- Follow the on-screen instructions to complete the installation.
Source
For more details, visit: https://winchatsupport.com/microsoft-office-support-for-error-code-30034-4/