800488 Office 365

800488 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:DLL Issue
Cause:File Corruption
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 800488 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 7 and later

1) Click Start Button Office Error Code 800488 Office 365 Img3 or Simply Press Win key and in right pane Click on Control Panel.
Office Error Code 800488 Office 365 img5
2) In Control Panel Window, Click on Windows Firewall.
Office Error Code 800488 Office 365 img6
3) Press “Turn Windows Firewall on or off”
Office Error Code 800488 Office 365 img7
Note: If you are logged in as Guest user you will be asked to
Office Error Code 800488 Office 365 img5
4) Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.

Warning: You can activate Windows Firewall after Office 365 repair is complete.

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start button.

start
2. Enter the command “inetcpl.cpl” and click OK.
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 again.

Step 3: Check System Integrity

1) Press Win + R
Office Error Code 800488 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 800488 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 800488 Office 365 img18
Note: If you are logged in as Normal user you will be asked to

Step 4: Try the installation again

In most case 800488 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