1335 Office 365

1335 Error Code Office 365 Information
Difficulty LevelVery High
Resolution:Manual
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 1335 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Windows Firewall

For Windows 8
1) Press Win Button and Type “Control Panel” and Press Enter.
Office Error Code 1335 Office 365 step 6
2) Open “Windows Firewall” from Control Panel Window
Office Error Code 1335 Office 365 step 7
Office Error Code 1335 Office 365
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 1335 Office 365 img 9
Warning: You will need Administrator privileges to disable Windows firewall.
Office Error Code 1335 Office 365 img10
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Office Error Code 1335 Office 365 img11

Step 2: Proxy Issue

1) Goto Control Panel.
Microsoft Windows 7 : Click Start and then Click On Control Panel from Right Pane.
Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Search Box Type Internet and Click on “Internet Options”.
3) Click On Connections Tab and then Click On LAN Setting.
Office Error Code 1335 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its already ON.

Step 3: Disable Antivirus

– Open Your Antivrus
– Disable it till the Office 365 installation is going on. Check vendor website for more details.

Step 4: Try the installation again

In most case 1335 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.

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  • Posted In: Office 365