8007045 Office 365

8007045 Error Code Office 365 Information
Difficulty LevelMedium
Resolution:System Fix
Cause:Software Level Conflict
Affected Operating Systems
  • Windows 8/8.1
  • Windows 7
  • Windows 10
  • Windows Vista

How To Fix 8007045 Error Code in Office 365

Repair Difficulty : High

Step 1: Disable Windows Firewall

For Windows 8
1) Press Windows Button and Type “Control Panel” and Press Enter.
Office Error Code 8007045 Office 365 step 6
2) In Control Panel Window, type firewall in the search box and click on “Windows Firewall”.
Office Error Code 8007045 Office 365 step 7
Office Error Code 8007045 Office 365
3) On left pane you will find “Turn Windows Firewall on or off”
Office Error Code 8007045 Office 365 img 9
Note: If you are logged in as Normal user you will be asked to login as Administrator.
Office Error Code 8007045 Office 365 img10
4) Finally Click on “Turn off Windows Firewall (not recommended)” under each of the active network connections.
Office Error Code 8007045 Office 365 img11

Step 2: Check Proxy Setting

1) Goto Control Panel.
Windows 7 : Press Win Key and then Select Control Panel from Right window.
Microsoft Windows 8 : Press Windows Key + Q and Type “Control” And Click on it.
2) In Control Panel Click on “Internet Options”.
3) Select Connections Tab and then Click On LAN Setting.
Office Error Code 8007045 Office 365 img 11
4) Turn off “Use a proxy server for your LAN” if its already ON.

Step 3: Run System Scan

1) Press Win + R
Office Error Code 8007045 Office 365 img14
2) Type “cmd” and Press Enter.
Office Error Code 8007045 Office 365
3) Type “sfc /scannow” and press enter.
Office Error Code 8007045 Office 365 img18
Note: You will need Admin rights to run the sfc command.

Step 4: Try the installation again

In most case 8007045 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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