30459-99 Office 365

30459-99 Error Code Office 365 Information
Difficulty LevelHigh
Resolution:DLL Issue
Cause:Application Layer Corrupt
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 30459-99 Error Code in Office 365

Repair Difficulty : Critical

Step 1: Disable Microsoft Windows Firewall

For Microsoft Windows 8
1) Press Win+R button and Type “Control” followed by Enter key.
Office Error Code 30459-99 Office 365 step 6
2) In Control Panel , Click on Windows Firewall.
Office Error Code 30459-99 Office 365 step 7
Office Error Code 30459-99 Office 365
3) On left pane you will find “Turn Windows Firewall on or off”
Office Error Code 30459-99 Office 365 img 9
Warning: You will need Admin privileges to enable or disable firewall.
Office Error Code 30459-99 Office 365 img10
4) Turn
Off Windows Firewall and Press “OK” Button.
Office Error Code 30459-99 Office 365 img11

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: Run System Scan

1) Press Win + R
Office Error Code 30459-99 Office 365 img14
2) Type cmd and Press Enter.
Office Error Code 30459-99 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 30459-99 Office 365 img18
Note: If you are logged in as Guest user you will be asked to enter Admin Password

Step 4: Try the installation again

In most case 30459-99 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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