3 Effective Ways to Fully Repair Windows Installer 2019

Windows installer handles all software installation on your windows 10/8/7 PC. if it has a problem, it means that you cannot remove or update the software on your computer. This can throw a real spanner in the works.


Part 1: Common Windows Installer Errors

Part 2: One-Click Repair Windows Installer for iTunes

Part 3: Reset Windows Installer Service Settings in the Registry

Part 4: Start the Windows Installer Service
Common Windows Installer Errors
Windows installer can throw up a number of errors when you’re trying to install, remove or update some software on your Windows PC. Whenever these errors pop up, it would usually prevent you from continuing with your task.
You could see error messages like “the windows installer service could not be accessed” or “windows installer service couldn’t be started” or “could not start windows installer service on local computer. Error 5: Access is denied”.
These errors are usually caused by corrupted registry keys on your computer. In order to fix them, you would need to really know your way around a computer. You simply must have advanced user skills to effectively solve the issues. Luckily for you, there’s an easier fix.



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Preview and delete old iOS backups (also includes the iOS backups created by third-party software.)
Reset Windows Installer Service Settings in the Registry

If you really want to try and fix the error yourself, you can try resetting the windows installer service settings in the registry.

Note: By using this step, you would basically be modifying your system registry. If you do it improperly, serious problems might occur that would affect the performance of your PC.

Before you begin, it’s a good idea to back up the registry. This allows you to restore it if a problem occurs. To begin resetting the registry, create a registry file using Notepad. Then run the file to update the registry key. Follow these steps:

Step 1: Press Windows key to open Start menu. Type “Notepad” in the Search box. Click on Notepad.

Step 2: Copy the following text and paste it into your Notepad.


Windows Registry Editor Version 5.00


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver] "DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"


"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\


74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\


00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2f,00,56,00,00,00


"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"


"ObjectName"="LocalSystem"


"ErrorControl"=dword:00000001


"Start"=dword:00000003


"Type"=dword:00000010


"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00


"ServiceSidType"=dword:00000001


"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\


00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\


74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\


00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\


6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\


00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\


73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\


00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\


65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\


00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\


00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\


00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\


69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\


00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\


66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\


00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\


6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\


00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\


72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\


00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\


47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\


00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\


72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\


00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\


73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\


00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\


51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\


00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\


50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\


00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\


50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\


00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\


76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00


"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\


00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver\Enum] "0"="Root\\LEGACY_MSISERVER\\0000"


"Count"=dword:00000001

"NextInstance"=dword:00000001

Step 3: tap File > Save As and then name the file Msirepair.reg. In the “Save as” box, click “All Files”. Then save to your Desktop.

Step 4: On the Desktop, right click the Msirepair.reg file and choose Run as administrator. Click yes when you are prompted to install the registry keys.

Step 5: Restart the installation process for the program you wanted to install.
Start the Windows Installer Service

If the registry reset doesn’t work, you can try starting the windows installer service. To do this, follow these steps:

Step 1: Press Windows key on your keyboard to open Start menu. Type “CMD” in the search box.



Step 2: Right click on the cmd.exe file when the search results come out and click “Run as administrator”.



Step 3: Type “net start MSIServer” in the command window and press Enter.

Step 4: Restart the installation process for the program you wanted to install.

Trying manual tips is not recommended if you known little about computer, because if you don't try it right, it will influence your PC performance. What's worse, you PC would run chaotically. Instead, you'd better give iMyFone TunesFix a trial.Sponsor ads:

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