121524 Office 365

121524 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:System Fix
Cause:System Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 121524 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Windows Firewall

For Microsoft Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 121524 Office 365 img7
2) Microsoft Windows Firewall Window will Open.
3) Tap On “Turn Windows Firewall on or off”
Office Error Code 121524 Office 365 img7
Warning: If you are logged in as Guest user you will be asked to
Office Error Code 121524 Office 365 img5
4) Turn Off Windows Firewall and Press “OK” Button.

Warning: You can activate Microsoft Windows Firewall after Office 365 installation is complete.

Step 2: Check Proxy Setting

1) Open Control Panel.
Microsoft Windows 7 : Click Start and then Click On Control Panel from Right window.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) Click On “Internet Options” In Control Panel Window.
3) Click On Connections Tab and then Choose LAN Setting.
Office Error Code 121524 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its switched ON.

Step 3: Run System Scan

1) Press Win + R
Office Error Code 121524 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 121524 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 121524 Office 365 img18
Note:
Step 3:Run Disk Cleanup Utility
1) Press Windows + R
Office Error Code 121524 Office 365
2) Type Cleanmgr and Press Enter.
Office Error Code 121524 Office 365 img19
3) Select the OS Drive and Press OK.
4) Finally Click on Clean up System Files

Step 4: Try the installation again

In most case 121524 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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