0xc80003f3 Office 365

0xc80003f3 Error Code Office 365 Overview
Difficulty LevelVery High
Resolution:System Fix
Cause:System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0xc80003f3 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Firewall

For Windows 7 and later

1) Click Start Button Office Error Code 0xc80003f3 Office 365 Img1 and then Click on Control Panel .
Office Error Code 0xc80003f3 Office 365 img5
2) In Control Panel Window, type firewall in the search box and click on “Windows Firewall”.
Office Error Code 0xc80003f3 Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 0xc80003f3 Office 365 img7
Note: If you are logged in as Guest user you may be asked to login as Administrator.
Office Error Code 0xc80003f3 Office 365 img5
4) Press “Turn Off Windows Firewall” under each network location and then Click “OK”

Warning: Please Activate Windows Firewall after Office 365 repair is complete.

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start button.

start
2. Type the command “inetcpl.cpl” and click OK button.
3. Click on the “Security” tab.

inetcpl security
4. Click “Reset all zones to default level” button at the bottom of the window.
5. Click OK button.

Step 3: Repair System Files

1) Press Windows + R
Office Error Code 0xc80003f3 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 0xc80003f3 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 0xc80003f3 Office 365 img18
Note: If you are logged in as Guest user you will be asked to

Step 4: Try the installation again

In most case 0xc80003f3 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