30159-99 Office 365

30159-99 Error Code Office 365 Overview
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 30159-99 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Firewall

For Microsoft Windows 7 and later

1) Click Start Button Office Error Code 30159-99 Office 365 and type “Control Panel” in search box Office Error Code 30159-99 Office 365 img2 and Click on it.
Office Error Code 30159-99 Office 365 img5
2) In Control Panel Window, Click on “Windows Firewall”.
Office Error Code 30159-99 Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 30159-99 Office 365 img7
Warning: You will need Admin privilege to disable firewall.
Office Error Code 30159-99 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Reset Internet Explorer Security settings

1. Now, click 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 again.

Step 3: Temporarily Disable Antivirus

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

Step 4: Try the installation again

In most case 30159-99 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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