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0xc0000034 Office 365

0xc0000034 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:DLL Issue
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0xc0000034 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0xc0000034 Office 365 img7
2) Windows Firewall Window will Open.
3) Press “Turn Windows Firewall on or off”
Office Error Code 0xc0000034 Office 365 img7
Warning: You will need Administrator rights to enable or disable firewall.
Office Error Code 0xc0000034 Office 365 img5
4) Press Turn off Windows Firewall (not recommended) under each network location and then Click “OK”

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

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start.

start
2. Enter 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 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 0xc0000034 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