Windows Installer Service Could Not Be Accessed- Fix It Quickly

Microsoft Windows is the most popular computer Operating System today. You will find this in the computers of people around the world, in their homes and also in their workplaces. Such popularity of the Windows OS is not just for marketing and promotions and things like that. But for the great performance of this Operating System as well as its ability to run various useful programs. Nevertheless, every once in a while, you might come across certain technical glitches. One of those problems is when you encounter “Windows Installer Service could not be accessed.

But you have our assurance that you will be able to resolve the Windows Installer Service error on your own. That is why we have put together this article as the most effective instructional guide. And using that, you will fix this issue in no time whatsoever.

Why Windows Installer Service Could Not Be Accessed?

Although this issue is one of those that you will be able to fix on your own, still there is always the chance of collateral damage. This is a possibility especially when you don’t take the time to figure out what exactly the issue is. So, in this section, let’s go ahead and look at some of the reasons for which you are facing the “Windows Installer Service could not be accessed” error.

With Microsoft Windows, you get a fantastic level of versatility in terms of the things that you will be able to do with this. Any kind of computer program that you might need for any kind of work, you can make that work on Windows 10. All you will have to do is just install the software.

But if you find that the Windows Installer Service could not be accessed, then you won’t be able to load the software. And without that, your PC will be rendered absolutely useless. So, let’s look at the fundamental causes of this error.

Firstly, if there are two msiexec files or more than that, then the Windows Installer will malfunction. Because there is a need for only one of those files, and any extra of them will cause problems.

Another reason is if the Remote Procedure Call Service does not have the correct settings. And since the operations of the Windows Installer Service is directly linked with this, the issue of incorrect settings will hamper any kind of installation procedure.

More commonly, the issue can be that some of the system files of the Windows Installer Service got corrupted. In that case, the entire software system would not only malfunction but might also put your computer in harm’s way.

So, whatever the case is in your situation, the ideal thing to do is to identify what the exact error is. Then, once you know about it, you can go directly to the solutions for that. If for some reason, you can not pinpoint the exact error, then just apply the given solutions one by one.

How To Fix This Windows Installer Service Error?

Here are all the solutions that you will need to fix this issue which you can apply one by one. One thing we must point out is that some solutions are more drastic than others.

So, in case you don’t know what the exact problem is, apply these solutions one by one, go for the less drastic ones first and then to the others.

Reinstall Windows Installer Service

This is what you would need to do in case there are certain corrupt system files within this software. These will not be there from the beginning and these develop over time. And to safely get rid of these, the best thing to do is to reinstall Windows Installer Service.

You will be able to get the MSIServer package from the WinHelpOnline option. So, after you download the file, decompress it and after that, right-click on the.REG file and from the dropdown list, click on Merge. A confirmation dialogue box will appear, where you will have to click on the Yes button to confirm.

What this does is it adds the necessary registry keys for proper function of Windows Installer Service.

Delete The Extra MSIEXEC File

One of the reasons for this particular issue is the presence of an extra MSIEXEC file. You will have to get rid of it somehow, but we recommend that you be on the side of caution. Do not delete this file and instead, rename it.

To do this safely, just double-click on the name of the extra MSIEXEC file and add after it a.OLD extension. This will definitely solve the problem.

Configure The Remote Procedure Call Service

To do this, you’ll have to go to the Services section of Windows and from there, click on the Remote Procedure Call option. After that, from the options list that appears, click on Properties.

From there, click on the tab with the name Log On and under the ‘Log on as’ option, select the Local System Account. Then, check the box beside the ‘Allow this service to interact with desktop’ checkbox. Finish by rebooting your computer.

Activate The Windows Installer Service

Sometimes, it might just be the case that you or anybody else who has been using your PC has disabled this service. So, if the Windows Installer Service is not active in the first place, then errors like these and many others of the same sort are inevitable.

To activate the Windows Installer Service, you will have to press the Start button and then the Run button. This will open up the Run dialogue box where you will have to type in services.msc. Once you do that, a window will come up, where you will have to scroll down to the Windows Installer option.

After you find it, double-click on it and set the Startup Type to Manual. Then, click on the Apply button and select Start to initiate the process.

Nathaniel Villa
Nathaniel Villa