Some Windows 10 users are complaining about an issue with installation of particular package on their computers. Whenever they are trying to run the installer, the installation process is getting stopped with an error message “This installation package could not be opened“. This problem usually happens due to discontinuity of Windows Installer service on the affected computers. If you are facing the same issue, first go for these workarounds and if the workarounds doesn’t do much, go for the solutions.
1. Try to install the package from an administrative account on your computer.
2. Check if the package is for another version of Windows 10 (32-bit or 64-bit).
3. Disable the antivirus temporarily on your computer. After disabling the antivirus, further try to install the package.
4. This error also prevails if the installer package is on a flash drive or on a network drive. Try running the installers from a local drive of your computer.
If the problem still persists, go for these fixes-
Fix-1 Run the compatibility troubleshooter-
Compatibility troubleshooter will detect if there is any problem with compatibility of the package.
1. Go to the package installer location.
2. Right click on the installer package and then click on “Properties” to open the properties of it.
3. In Properties window, go to “Compatibility” tab.
4. Click on “Run compatibility troubleshooter“.
Program Compatibility Troubleshooter will detect if there is any compatibility issue. If there is any, it will troubleshoot it.
Try to run the package installer again on your computer.
Check if it opens or if the error continues.
Fix-2 Modify Registry Editor-
1. Press Windows key+R to open Run window on your computer.
2. In Run window, type “regedit” and then click on “OK“.
Click on “Yes” if you are prompted for permission by User Account Control.
Registry Editor window will be opened.
Before proceeding to the main fix, please set up a backup of your registry.
3.In Registry Editor window, click on “File” on the menu-bar and then click on “Export” to create a backup of registry on your computer.
4. In Export Registry File window, choose a favorable location to store the backup on your computer.
5. Then, name the backup as “Original Registry“. Set the ‘Export Range‘ to “All“.
6. Finally, click on “Save” to save the registry backup on your computer.
You can recover the registry if any thing goes wrong.
7. In Registry Editor window, navigate to this location on the left hand side-
8. On the right hand side of Registry Editor window, double click on “NtfsDisable8dot3NameCreation“.
9. Now, set the ‘Value data:‘ to “0” and then click on “OK” to save the changes.
10. Same way, double click on “Win31FileSystem” to modify it’s value data.
11. In Edit DWORD (32-bit) Value window, make sure ‘Value data:‘ is “0“.
12. Finally, click on “OK” to save the changes.
Close Registry Editor window.
Try to install the package again on your computer. Your shall not face further error.
Fix-3 Check if Windows Installer is running-
Windows Installer is a service which add or modify package installer.
1. Press Windows key + R to launch Run window, type “services.msc” and then hit Enter.
Services window will be opened.
2. In Services window, scroll down and then double click on “Windows Installer” service.
3. In Windows Installer Properties window, click on “Start” to start the service on your computer.
4. Finally, click on “Apply” and then click on “OK” to save the changes.
Close Services window.
Try to run the package installer again on your computer. Your problem should be fixed.
Fix-4 Re-register Windows Installer engine with CMD-
1. Press Windows key+R to launch Run window.
2. Now, type “cmd” and then press Ctrl+Shift+Enter to open Command Prompt window with administrative rights.
In case if you are prompted for permission by User Account Control, click on “Yes“.
3. Copy-paste these two commands and hit Enter after each of them to execute these commands sequentially.
msiexec /unregister msiexec /regserver
Close Command Prompt window on your computer.
Reboot your computer to save the changes.
After rebooting, try to install the package again on your computer. Your problem should be solved.
Sambit is a Mechanical Engineer By qualification who loves to write about Windows 10 and solutions to weirdest possible problems.