When you try to install Office you may get the following error message, or an error message that contains error code 0-1018:
We’re sorry, but we could not start your Office installation. Another installation is in progress, please try again later.
This error can occur if an Office install, update or uninstall was running before you tried to install Office.
Check for an Office icon in the Windows system tray and click it to check the install progress. If an install is already running, wait until it's done before you start your Office install.
If you can't find an Office icon in the system tray, uninstall Office using the easy fix tool, and then reinstall it:
Uninstall and reinstall Office
Use the Office uninstall support tool to completely uninstall Office from your computer and try reinstalling Office again.
Click the button below to download and install the Office uninstall support tool.
Follow the steps below to download the uninstall support tool according to your browser.
Tip: The tool may take a few minutes to download and install. After completing the installation, the Uninstall Office products window will open.
Edge or Internet Explorer
At the bottom of the browser window, select Run to launch the SetupProd_OffScrub.exe.
In the lower-lower left corner right-click SetupProd_OffScrub.exe > Open.
In the pop-up window, select Save File.
Next, from the upper-right of the FireFox browser window, select the downloads arrow and then select SetupProd_OffScrub.exe.
Select the version you want to uninstall, and then select Next.
Follow through the remaining screens and when prompted, restart your computer.
After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts.
Select the steps for the version of Office you want to install or reinstall. Close the uninstall tool.