Microsoft Office error code 30034-4

What is Microsoft Office error code 30034-4?

Microsoft Office error code 30034-4 is an error that occurs when the proxy settings, firewall or anti-virus software prevents you from installing Office. It may also occur when there are issues with the system files.

How can you fix Microsoft Office error code 30034-4?

Some of the solutions to this error include disabling firewall, proxy and anti-virus, and running MS Office Uninstaller by Microsoft.

Please see our in-depth walk-through solutions below.

• Disable Firewall, Proxy, and Antivirus
• Run MS Office uninstaller by Microsoft

1. Disable Firewall, Proxy, and Antivirus

Microsoft Office error code 30034-4 may occur due to firewall, proxy and anti-virus software preventing you from installing MS Office. The proxy setting can be reset quickly while third-party software can be disabled, please see below on how to do it.

To reset Proxy

1. Option 1: Click Windows Start, type in CMD then right-click Command prompt and then select Run as Admin.
   Option 2: Right-click Windows Strat and then select Command Prompt (Admin).
2. Type in the Command prompt netsh winhttp reset proxyand press Enter

To turn off the Firewall

1. Go to Control Panel >> System and Security >> Windows Firewall >> Turn Windows Firewall on or off.
2. Set Firewall off.
3. Install MS Office again.

Running clean boot

Note: This will disable the third-party firewall and anti-virus software

2. Run MS Office uninstaller by Microsoft

Microsoft Office error code 30034-4 may also occur when there are remaining files left from a previous version of MS Office that you have uninstalled. Running MS Office Uninstaller will remove all remaining files from the previous MS Office, which may be blocking your installation.

1. Here the link for MS office uninstaller by Microsoft.

2. Open MS office uninstaller by Microsoft.

3. Now click Next and Yes.

4. Run MS Office again.