How to Fix Windows Installer Package Error?

Facing Software Installation Error on Windows PC. Here is the Simple Guide to Fix Windows Installer Package on Windows 11/10 PC.

Are you facing the Windows Installer package error while trying to install to uninstall any program on your PC? Then worry not. Follow this guide till the end to know the easy troubleshooting tips to fix the problem immediately. Often you do not have permission to install apps on a system. Also, if you have downloaded the wrong or incompatible installation package of an app, you may come across Windows Installer Package Error.

It may be some bug in the version of Windows OS installed on your PC. The installer for a particular application may have become corrupt. It happens when the whole application setup folder package is corrupt due to technical issues at the developer’s end. While downloading a software package if the process is interrupted, that may corrupt the various elements of the software package including the installer.

Best Troubleshooting Tips to Fix Windows Installer Package Error

It is quite simple to address the Windows Installer Package error for any app. Check some of the fixes I have shared below.

1. Restart the Computer

Start the troubleshooting by restarting the computer. It often solves problems within a minute.

  1. Press the Windows key to bring up the search box.
  2. Click the power icon to expand a menu from which you have to click the option Restart.
    restarting Windows 11
  3. Once the PC reboots, try to install the app.

2. Update Windows OS on the PC

To deal with bugs and glitches, look for any new software update that may be available for your PC.

  1. Press Windows + I to go to the Windows settings.
  2. Then, on the left-hand panel, click on Windows Update.
    click on Windows Update
  3. Next, click on Check for Updates.
    check for latest Windows updates
  4. Now, the PC will search for available updates.
  5. You will be provided with an option Download Now which you have to click to initiate the update installation.
    download windows 11 update
  6. Once the update is successfully installed, restart the PC and continue with the app installation.

If it had been the bug causing the Windows installer package error, it should be fixed now.

3. Use Command Prompt and Register the Installer

Here are the steps to re-register the Windows installer which will undo any corruption with the current software package.

  1. Use the Windows key to search for Command Prompt > Click Run As Administrator.
    run command prompt as administrator
  2. Confirm the action by clicking on Yes when a pop-up dialog box shows up.
  3. Enter the commands mentioned below in the same order.
    msiexec.exe /unregister
    
    Msiexec.exe /regserver
  4. Press enter.

Now, once the above steps are done, try reinstalling the app and it should now install without any problems.

4. Resume the Windows Installer Service

The Windows installer service may have stopped. You can resume it manually by visiting the Windows services. Here I have mentioned the steps that you may follow.

  1. Press Windows + R to bring up the Run pop-up box.
  2. Enter the phrase services.msc and press enter. You will be redirected to the complete listing of Windows services active on your PC.
    open windows services msc
  3. Navigate to the option Windows Installer, and right-click to bring up a menu.
  4. From the menu, select the option Start.
    start windows installer

Alternatively, if the service is already running, you can stop it momentarily and restart it again.

  1. Press Windows + R to bring up the Run dialog box.
  2. Enter the term services.msc and press enter. You will find your way to the list of Windows services present on your PC.
    open windows services msc
  3. Navigate to Windows Installer service and right-click to highlight it.
  4. From the menu select the option Properties.
    windows installer properties
  5. Under the General Tab, click on Stop.
    stop windows installer
  6. Wait for a few seconds for the Start option to enable. Click on it and then Click on OK to complete the process.

5. Download the Software Setup Package Once Again

If you are sure that the software package you previously downloaded is not the correct one, then redownload it. Make sure that the software setup package download process is not slowing down or interrupting anywhere. Before that uninstall or delete the existing software package(the corrupt one) from your PC.

Also, if the installation of the app requires you to connect to the web, ensure that the installation process is not getting disrupted due to a bad network.

6. Perform the App Installation as an Administrator

If you are at your school or workplace, you cannot be the administrator and install any app as per your wish. You have to contact the concerned authority and request them to install the app on your system. Otherwise, on a shared personal PC, here is how you can install an app with administrator privilege.

  1. Browse the File Explorer and make your way to the folder where the software package is present.
  2. Navigate to the application file which is designated as dot exe file extension.
  3. Right-click on this setup file and select Run As Administrator.
    run the app setup as administrator
  4. When you encounter a prompt asking you to confirm the move and make changes to the system, accept it.

7. Deploy the Program Install and Uninstall Troubleshooter

Windows offers a lot of troubleshooting tools within Windows OS, and one of which is the Program Install and Uninstall troubleshooter. This tool comes in handy if any app is showing problems during installation or uninstallation.

  1. You can grab the troubleshooter from Microsoft Store.
  2. Download and install this tool by following the on-screen instructions.
    download install uninstall troubleshooter
  3. Launch the troubleshooter tool and select whether you want to fix issues in the program installation or uninstallation.
  4. Next, select the app for which you are facing issues in installing or uninstalling it.

Now, follow the instructions from the tool and apply the concerned fix that you think is important for fixing the problem.

Conclusion

You may be urgently trying to install any application for your work and end up facing the Windows installation package error. This can put a pause on your workflow. To avoid missing out on your work and get the app up and running on the PC, follow the troubleshooting tips and fix the installer right away.

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