How to fix Microsoft Office Installation in windows 10/11

Microsoft 365/2019/2021 installation fails during the configuration phase. It could occur if you were trying to add more Microsoft office products or corrupted system files or corrupted office installer file download or installer not working in the computer. Sometimes, restarting your computer is enough to solve the problem.

Here is some process that you can try to fix Installation. But before proceeding ahead first look the most common causes of this error code below

Following steps to easily Fix Microsoft error code 1603 in windows 10 or windows 11

1.Check if the old office app is already installed on the PC. If so, uninstall and reinstall the app.

2.Install the package to folder that is not encrypted.

3.Grant Full Control permissions to the SYSTEM User Account

4.Firewall or antivirus software might be blocking the Office installation.

Steps to disable windows firewall

  1. Start and type “Windows Security” to search
  2. Select Windows Security app >> go to Virus & threat protection, >> under Virus & threat protection settings >> select Manage settings
  3. Real-time protection to Off

Steps to disable Antivirus:

  1. First, Open Antivirus application installed on the computer.
  2. After that, click on settings, go to real time protection and Turn Off
  3. Select Turn Off real time protection.
  4. Then Navigate to Antivirus firewall.
  5. Turn off Antivirus firewall

If the issue persists, then perform all the steps Talk to our experts or follow the steps given below.

SFC Scan

  1. Press the Windows + R keys at a time
  1. Open field, type %temp%, then Click ENTER
  2. Press the CTRL + A keys at a time to select all items.

Steps for Windows Disk Clean-up tool

  1. Press the Windows + R keys at a time
  2. Open field, type %Cleanmgr.exe%, then Click ENTER
  3. Select the specific drive you want to clean up, and then select OK.
  4. Select and delete all files

Perform a Windows Update

  1. Click Start and go to settings
  2. Click Windows Update and security
  3. Click check for update
  4. Once the update completes, restart your computer.

Try to install the office application, if it isn’t working try using the easy fix tool to completely uninstall Office, and then reinstall Office

Following steps for Installing Microsoft Recovery Tool

1.Download Microsoft Support and Recovery Assistant utility.

  1. Once download is completed double click to run the SetupProd_OffScrub.exe application.
  2. Press Install option to install the Microsoft recovery tool.
  3. Once the installation is completed, then click Agree and click Yes.
  4. Wait until the ‘Microsoft Support and Recovery Assistant’ troubleshoot the issue.
  5. Select checkbox, at left of the Office product name to select all the installed Office products and Click Next.

Steps for Office Reinstall

  1. Open Office My Account by going and Login to Office account using your registered email ID and password.

2.Click on install Option under the Office product in your account.

3.Save the installer setup files if prompted and run it once download is completed.

4.Do not go offline or reboot the computer once installation is initiated.

  1. Click on finish button once the program is installed completely.

If the issue persists and not able to install office, then we need to reinstall windows 10 or windows 11 Operating system in the PC.

Disclaimer: We recommend you do the back up before we proceed the steps, during reset Windows 11 and windows 10 installation means that all your files and settings will be lost during in resetting process.

Windows 10 _ reset your PC

1.Select Start > Settings > System > Recovery. Open Recovery settings.

2.Next to Reset this PC, select Reset PC. Then choose from the options and / or settings in table below.

Windows 11 _ reset your PC

1.Select Start > Settings > System > Recovery. Open Recovery settings.

  1. Next to Reset the PC, select Reset PC. Then choose from the options and / or settings in given table below.


You can also ask for System repair Image support or some Recovery help, we also restore your computer to a point when it was working fine without any issues. Feel free to chat with us for any support. Free assistance can be provided for all the basic troubleshooting without any additional resources.

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