1303 Error Code Office 365 Overview
|Cause:||Software Level Conflict|
|Affected Operating Systems|
- Windows 8/8.1
- Windows 7
- Windows 10
- Windows Vista
How To Fix 1303 Error Code in Office 365
Repair Difficulty : High
Step 1: Disable Windows Firewall
For Microsoft Windows 8
1) Press “Win + R” and Type “Firewall.cpl” and Press Enter.
2) Microsoft Windows 8 Firewall Window will Open.
3) Click On “Turn Windows Firewall on or off”
Note: You will need Administrator privileges to enable or disable Windows firewall.
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Step 2: Check Proxy Setting
1) Open Control Panel. Windows 7 :
Click Start and then Click On Control Panel from Right Pane. Microsoft Windows 8 :
Press Windows key + R and type “Control” and Press Enter.
2) In Control Panel Window Click on “Internet Options”.
3) Select Connections Tab and then Click On LAN Setting.
4) Turn off “Use a proxy server for your LAN” if its switched ON.
1) Press Windows + R
2) Type cmd
and Press Enter.
3) Type “sfc /scannow”
and press enter. Note:
If you are logged in as Normal user you may be asked to
Step 4: Try the installation again
In most case 1303 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.
Posted In: Office 365