Another installation is in progress on Windows 7, 8 Y 10

Like all other versions of the Windows operating system, Windows 10 you cannot install a program using Windows Installer while the installation of another program is already in progress. If a user tries to install a program with Windows Installer while another installation is already running, Windows displays an error message saying:

»Error 1500. There is another installation in progress. You must complete that installation before proceeding with this. «

If you see this error message when trying to install an application, just wait for the installation that is already running to finish or close the installation that is already running and continue with the new one. Unfortunately, Cases have been reported where this error message sometimes appears when Windows users 10 they try to install a program even though there is no other installation running in the background and / or an installation that has been run previously has already been completed.

If you are trying to install an application on a Windows computer 10 and find the error 1500 although there are no other installations running in the background, The following are some of the most effective solutions that you can use to try to solve the problem:

Solution 1: run an SFC scan

Running an SFC scan is the most basic countermeasure for a problem like Error 1500, as it is capable of scanning all system files for corruption and other problems and repairing / replace any system files that may be causing problems. To run an SFC scan on a Windows computer 10, just follow this guide.

Solution 2: close the background processes that may be causing the problem

The error message 1500 can be triggered by persistent background processes from previously run installations on the affected computer. If residual background processes from previous program installations are causing this problem, you can fix it by simply closing the offending background processes in Task Manager. To do it, needs to:

1. Presione Ctrl + Shift + Esc to start Task Manager.

2. In Task Manager, navigate to Processes

3. One by one, locate and click as many of the following processes as you can find in the list of running processes Background processes to select them and click End Task:

msiexec.exe

installer.exe

setup.exe

1. Once the processes have been forcibly terminated, close Task Manager.

2. Try to run the setup that was affected by this issue one more time, and this time the application should install correctly on the computer.

Solution 3: unregister any active installation status references

When an installation is in progress, an active installation status reference is added to the computer's Registry, and this reference is removed once the installation is complete. However, an install can sometimes fail by removing the active install status reference from the registry, and this can make the user see the error 1500 the next time you try to install a program on your computer. To manually remove any active installation status references from the registry, should:

1. Press the Windows logo key + R to open a career

2. Type regedit in the Run dialog box and press Enter to start Registry Editor.

3. In the left pane of Registry Editor, navigate to the following directory:

HKEY_LOCAL_MACHINE> Software> Microsoft> Windows> Installer

1. Click the InProgress subkey below the installer registry key in the left pane of Registry Editor so that its contents are displayed in the right pane.

2. In the right pane of the registry editor, double click the registry string value (predetermined) to modify

3. Clear whatever is in the string value data field and click OK.

4. Close Registry Editor.

Once this is done, try to run the install you had the problem with earlier and check if the problem has been fixed or not.

Solution 4: Stop and then restart the Windows Installer service

Since you are experiencing this problem because Windows Installer thinks you are trying to install two programs on your computer at the same time instead of just one, Stopping and then restarting the Windows Installer service is a pretty solid bet to get rid of this problem if none of the solutions listed and described above have worked for you.. To apply this solution to your computer, needs to:

1. Press the Windows logo key + R to open a career

2. Type of services. msc in the Run dialog box and press Enter to start the Service Manager.

3. Scroll down the list of services, find the Windows Installer service and double click on it.

4. Click Stop to stop the service. You can also open the drop-down menu in front of Startup type: click and select Disabled; will have the same effect in the long run.

5. Click Apply and then OK.

6. Restart your computer.

7. When the computer starts, repeat the steps 1-3.

8. If you clicked Stop in step 4, click Start. If you set the Windows Installer service from startup type to Disabled in step 4, open the drop-down menu in front of Startup type: click and select Manual.

9. Click Apply and then OK, and close the Service Manager.

Run the setup that was showing you the error 1500 above and see if the installation completes successfully this time.