0x745f10b5 Office 365

0x745f10b5 Error Code Office 365 Overview
Difficulty LevelVery High
Resolution:DLL Issue
Cause:System Integrity Issue
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 0x745f10b5 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Microsoft Windows Firewall

For Windows 7 and later

1) Press “Windows Key + R” and Type “Firewall.cpl” and Press Enter.
Office Error Code 0x745f10b5 Office 365 img7
2) Windows Firewall Window will Open.
3) Click On “Turn Windows Firewall on or off”
Office Error Code 0x745f10b5 Office 365 img7
Warning: You will need Administrator rights to enable or disable Windows firewall.
Office Error Code 0x745f10b5 Office 365 img5
4) Press Turn off Windows Firewall (not recommended) under each network location and then Click “OK”

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

Step 2: Reset Internet Explorer Security settings

1. Now, click on Start button.

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 Windows + R
Office Error Code 0x745f10b5 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 0x745f10b5 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 0x745f10b5 Office 365 img18
Note:
Step 3:Check System Files For Error
1) Press Win + R
Office Error Code 0x745f10b5 Office 365
2) Type “Cleanmgr” and Press Enter.
Office Error Code 0x745f10b5 Office 365 img19
3) Select the OS Drive and Press OK.
4) Click on Clean up System Files

Step 4: Try the installation again

In most case 0x745f10b5 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