How to Fix Error Code 0x20 Office 365 – Instructions
0x20 Error Code Office 365 Overview
System Integrity Issue
Affected Operating Systems
How To Fix 0x20 Error Code in Office 365
Repair Difficulty : Medium
Step 1: Disable Windows Firewall
For Microsoft Windows 7 and later
1) Press Win+R button and Type “Control” followed by Enter key.
2) Open Windows Firewall from Control Panel .
3) Click On “Turn Windows Firewall on or off”
Warning: If you are logged in as Guest user you may be asked to
4) Turn Off Windows Firewall and Press “OK” Button.
Warning: You can activate Microsoft Windows Firewall after Office 365 installation is complete.
Step 2: Proxy Issue
1) Open Control Panel. Microsoft Windows 7 : Press Win Key and then Click On Control Panel from Right Pane. Windows 8 : Press Windows Key + Q and Type “Control” And Click on it. 2) In Control Panel Click on “Internet Options”. 3) Select Connections Tab and then Press LAN Setting.
4) Turn off “Use a proxy server for your LAN” if its switched ON.
Step 3: Temporarily Disable Antivirus
– Open Your Antivrus software – Disable it till the Office 365 repair is going on. Check antivirus manufacturer website for more details.
Step 4: Try the installation again
In most case 0x20 error code in Office 365 should be resolved by now, if however the problem still persists please get your system checked by an expert.
If you are not able to resolve the issue following above steps, you can contact our 24×7 Chat Support for help.