1251652659 Office 365

1251652659 Error Code Office 365 Information
Difficulty LevelHigh
Resolution:DLL Issue
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 1251652659 Error Code in Office 365

Repair Difficulty : Medium

Step 1: Disable Windows Firewall

For Windows 7 and later

1) Open Control Panel Window (Click Start Office Error Code 1251652659 Office 365 img4 and press “Control Panel” Button on Right Side)
Office Error Code 1251652659 Office 365 img5
2) In Control Panel Window, type firewall in the search box and click on “Windows Firewall”.
Office Error Code 1251652659 Office 365 img6
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 1251652659 Office 365 img7
Note: You will need Admin privilege to enable or disable firewall.
Office Error Code 1251652659 Office 365 img5
4) Click Turn off Windows Firewall (not recommended) under each network location and then Click “OK”

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

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start.

start
2. Enter 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: Run System Scan

1) Press Win + R
Office Error Code 1251652659 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 1251652659 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 1251652659 Office 365 img18
Note: You will need Administrator previlage to run the sfc command.

Step 4: Try the installation again

In most case 1251652659 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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  • Posted In: Office 365