3088-26 Error Code Office 365 Information
||System Integrity Issue
|Affected Operating Systems
- Windows 8/8.1
- Windows 7
- Windows 10
- Windows Vista
How To Fix 3088-26 Error Code in Office 365
Repair Difficulty : Critical
Step 1: Disable Windows Firewall
For Windows 8
1) Press Windows Button and Type Control Panel and Press Enter.
2) Open “Windows Firewall” from Control Panel Window
3) On left pane you will find “Turn Windows Firewall on or off”
Note: If you are logged in as Normal user you will be asked to
Off Windows Firewall and Press “OK” Button.
1) Open Control Panel.
Windows 7 :
Click Start and then Select Control Panel from Right Pane.
Windows 8 :
Press Windows Key + Q and Type “Control” And Click on it.
2) In Control Panel Window Click on “Internet Options”.
3) Click On Connections Tab and then Choose LAN Setting.
4) Turn off “Use a proxy server for your LAN” if its switched ON.
Step 3: Disable Antivirus
– Open Your Antivrus
– 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 3088-26 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.
admin January 1st, 1970
Posted In: Office 365