30088-15-0 Office 365

30088-15-0 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:DLL Issue
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30088-15-0 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Windows 7 and later

1) Click Start Button Office Error Code 30088-15-0 Office 365 Img3 or Simply Press Win key and in right hand side Click on Control Panel.
Office Error Code 30088-15-0 Office 365 img5
2) In Control Panel , Click on “Windows Firewall”.
Office Error Code 30088-15-0 Office 365 img6
3) On left hand side you will find “Turn Windows Firewall on or off”
Office Error Code 30088-15-0 Office 365 img7
Warning: If you are logged in as Normal user you will be asked to login as Administrator.
Office Error Code 30088-15-0 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Proxy Issue

1) Goto Control Panel.
Microsoft Windows 7 : Click Start and then Click On Control Panel from Right window.
Windows 8 : Press Windows key + R and type “Control” and Press Enter.
Office Error Code 30088-15-0 Office 365 img 9
2) Open “Internet Options” In Control Panel .
3) Select Connections Tab and then Click On LAN Setting.
Office Error Code 30088-15-0 Office 365 img 11
4) Uncheck “Use a proxy server for your LAN” if its already ON.

Step 3: Repair System Files

1) Press Win + R
Office Error Code 30088-15-0 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 30088-15-0 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 30088-15-0 Office 365 img18
Note: You will need Administrator previlage to run the sfc command.

Step 4: Try the installation again

In most case 30088-15-0 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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