Office error code 1-8 - How to Fix Office error code 1-8

You may encounter Office error code 1-8 while installing, repairing or updating Office 365, 2013 or 2016. Please follow the below steps carefully to fix the Office error code 1-8 problem.

NOTE: Bookmark this webpage or open in another computer as we need to reboot the computer.

Step 1: Disk Clean-up to fix Office error code 1-8

To delete files using Disk Cleanup

Open Disk Cleanup by clicking the Start button Picture of the Start button. In the search

box, type Disk Cleanup, and then, in the list of results, click Disk Cleanup.

In the Drives list, click the hard disk drive that you want to clean up, and then click OK.
In the Disk Cleanup dialog box, on the Disk Cleanup tab, select the check boxes for the

file types that you want to delete, and then click OK.

In the message that appears, click Delete files.

Step 2: system file checker to fix Office error code 1-8

Run system file checker: sfc /scannow

Swipe in from the right edge of the screen, and then tap Search.
Enter command prompt in the search box.
In the list of results, swipe down on or right-click Command Prompt, and then tap or click Run

as administrator.

In the Administrator: Command Prompt window, type the following command and press Enter:

sfc /scannow.

When the system scan is complete, run below tool to remove office files from computer.

SFC reference article: Click here to view the Microsoft KB article for sfc scan

The tool will appear like the below pic, click next and tool will remove all the leftover files from the previous installation. Also, if you are on wifi network please switch to a wired network (Connecting LAN cable)