0x80070643 Error Code Office 365 Overview
|Cause:||Application Layer Corrupt|
|Affected Operating Systems|
- Windows 8/8.1
- Windows 7
- Windows 10
- Windows Vista
How To Fix 0x80070643 Error Code in Office 365
Repair Difficulty : Critical
Step 1: Disable Microsoft Windows Firewall
For Windows 7 and later
1) Press “Win+R” button and Type “Control” followed by Enter key.
2) Open Windows Firewall from Control Panel Window.
3) Tap On “Turn Windows Firewall on or off”
Warning: You will need Administrator privilege to enable or disable Windows firewall.
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Note: You can activate Windows Firewall after Office 365 installation is complete.
1) Goto Control Panel. Microsoft Windows 7 :
Click On Start and then Select Control Panel from Right window. Microsoft Windows 8 :
Press Windows key + R and type “Control” and Press Enter.
2) Click On “Internet Options” In Control Panel .
3) Select Connections Tab and then Choose LAN Setting.
4) Turn off “Use a proxy server for your LAN” if its switched ON.
Step 3: Repair System Files
1) Press Win + R
2) Type cmd
and Press Enter.
3) Type “sfc /scannow”
and press enter. Note:
You will need Admin previlage to run the sfc command.
Step 4: Try the installation again
In most case 0x80070643 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.
admin January 1st, 1970
Posted In: Office 365