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30045-26 Office 365

30045-26 Error Code Office 365 Overview
Difficulty LevelCritical
Resolution:Virus Issue
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30045-26 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 30045-26 Office 365 Img1 and then Click on “Control Panel” .
Office Error Code 30045-26 Office 365 img5
2) In Control Panel , type firewall in the search box and click on “Windows Firewall”.
Office Error Code 30045-26 Office 365 img6
3) On left panel you will find “Turn Windows Firewall on or off”
Office Error Code 30045-26 Office 365 img7
Warning: If you are logged in as Guest user you may be asked to
Office Error Code 30045-26 Office 365 img5
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”

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

Step 2: Reset Internet Explorer Security settings

1. Now, tap on Start button.

start
2. Type 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 button.

Step 3: Temporarily Disable Antivirus

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

Step 4: Try the installation again

In most case 30045-26 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.

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  • January 1st, 1970

    Posted In: Office 365