800488-365 Office 365

800488-365 Error Code Office 365 Information
Difficulty LevelHigh
Resolution:DLL Issue
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 800488-365 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Windows Firewall

For Windows 8

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 800488-365 Office 365 img 8
2) Windows 8 Firewall Window will Open.
Office Error Code 800488-365 Office 365
3) Press “Turn Windows Firewall on or off”
Office Error Code 800488-365 Office 365 img 9
Warning: If you are logged in as Guest user you may be asked to login as Administrator.
Office Error Code 800488-365 Office 365 img10
4) Finally Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.
Office Error Code 800488-365 Office 365 img11

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start.

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 again.

Step 3: Disable Antivirus

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

Step 4: Try the installation again

In most case 800488-365 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