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Published: April 7, 2016 | Applies to:

This fix will help you to solve - Error 1719. Windows Installer service could not be accessed message on Windows 10 while installing programs.

Windows Installer service is the one which is basic need of your system while installing new software. All the software created for Windows utilize this service while they’re mapped. So if this service is not responding or not available at the moment you’re installing new programs, you can’t go ahead.

Generally, in such cases users are supposed to receive this error message:

Error 1719. Windows Installer Service could not be accessed. Contact your support personnel to verify that it is properly registered and enabled.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

After getting this error message, the first thing that would come to my mind is to run System File Checker scan. Here is how you’ll do that:

Steps to repair your machine using System File Checker scan

If SFC /SCANNOW doesn’t helps you and you still face the issue, go ahead with the specific fixes for this problem. They may individually or collectively help you to overcome this issue.

FIX :  Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

FIX 1 – Make Sure Windows Installer Service Is Running

1. Press W8K + R and type services.msc in the Run dialog box, hit Enter key to open Services snap-in.

Services Windows 10

2. In the Services window, scroll down and look for Windows Installer service. As you’re facing this issue, might be possible that service is Disabled. Double click on the service to open its property sheet.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

3. In service property sheet, change the Startup type of service from Disabled to Manual or Automatic. Hit the Start button then. Click Apply followed by OK.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

Close Services snap-in and check the status of issue. If it is resolved, you’re done, else check FIX 2.

FIX 2 – Re-register Windows Installer Service

Sometimes steps mentioned in FIX 1 are not sufficient and you may need to re-register Windows Installer service as well. These two simple steps will share how to do it:

1. Press W8K + R and type MSIEXEC /UNREGISTER in the Run dialog box, hit Enter key or click OK. It’s okay if you don’t see any progress window even after doing it correctly.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

2. Again, press W8K + R and type MSIEXEC /REGSERVER in the Run dialog box and click OK. This has completed re-registration of Windows Installer service and should fix the issue as well.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

In case if you still have the problem, follow FIX 3.

FIX 3 – Using Registry Editor

1. Press W8K + R and put regedit in Run dialog box to open Registry Editor (if you’re not familiar with Registry Editor, then click here). Click OK.

Windows 10 Registry Editor

2. In the left pane of Registry Editor, navigate to following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

3. In the right pane of msiserver key, locate the registry DWORD (REG_DWORD) named WOW64. Its value might be set to 1 in you case which is root cause of this problem. So double click on it to modify its value.

FIX - Error 1719. Windows Installer Service Could Not Be Accessed In Windows 10

4. Finally, set the Value data to 0 and make sure that Hexadecimal Base is selected here. Click OK. Close Registry Editor and reboot. After restarting the machine, problem will no longer occur.

That’s it! Go here to reset Windows Installer service, in case if nothing works.


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