Safe Mode (Safe Mode) in Windows systems is one of the basic tools that allow you to restore the system. One of the significant disadvantages of safe mode is the inability to install / uninstall programs from msi packages. This limitation is because the developers considered the service Windows Installer(Window Installer) is potentially unsafe, and decided to stop this service from starting when the system boots in safe mode. Which in some cases is extremely inconvenient.
Most modern applications for their correct installation / removal use the services of the Windows Installer service, and if it is not available, their installation or removal is impossible. Let's say that in order to restore the system's performance, it is necessary to remove some application in safe mode that interferes with the normal boot of the system (for example, an antivirus). When you try to run the standard uninstaller to remove the application, the system reports:
The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personal for assistance
Manually starting the Windows Installer service in Safe Mode also fails (Services -> Windows Installer -> Start):
Windows could not start the Windows Installer service on Local Computer. Error 1084: This service cannot be started in Safe Mode
However, there is a little trick that allows you to start the Windows Installer service in safe mode and uninstall the software correctly.
To enable the Windows installer service in Safe Mode:
After starting the MSIServer service, it is possible to directly remove / install any application with an msi installer in safe mode.
Hello everyone, today I will teach you how to enable the Windows Installer service in safe mode, since by default it does not work there, which is not always convenient and necessary, there are times when the computer boots only in this mode and you can fix the problem by removing the software, but with a non-working service, this cannot be done. Thankfully there are workarounds.
When you try to uninstall any application, you will get this error.
The Windows Installer service is not available in safe mode. Please try again after exiting Safe Mode, or use System Restore to return to a previous working state
Enable the Windows Installer Service
Probably 99 percent of applications in windows for normal installation or removal use Windows Installer Service, and if it turns out that it does not work, you can not do anything. Earlier I talked about error 0x80070570 in Windows 8.1, there I had a problem that the computer was wildly slow and would not boot, it was not possible to restore due to Kaspersky antivirus. It was possible to boot only through safe mode, but it was not possible to remove the antivirus due to the disabled service, for the future I make a note to myself how to get around this.
It is probably logical that each of you will think, but I will start the Windows Installer service manually, for this we press Win + R and write services.msc.
Find the Windows Installer Service, right click on it and say run and in the end it turns out Error 1084: This service does not start in safe mode
But we are not accustomed to retreat, and we are doing just such a maneuver. Open the registry editor and go to this bush.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal (if the system is running in normal Safe Mode) or HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network (if using safe mode with command line support)
Now, being in the right place in the registry, create a new directory with this name MSIServer and the Default parameter will automatically appear in it, set it to Service, to do this, double-click on it.
Now make sure that the Windows Installer Service is enabled and error 1084 does not pop up. You can also start this service through the command line, using this method
net start msiserver
As you can see, there is nothing complicated and everything can be bypassed if you know what and where to press, I think it will come in handy and access to the windows installer service has been restored. This trick will work on any version of Windows, starting with Vista.
And a little positive with the pirate cat
Safe Mode is one of the basic Windows tools that allows you to restore the operating system, check it for damage, and delete non-removable files. However, this mode has one drawback - the inability to install software from msi packages. This means that the Windows Installer service or the Windows Installer in Safe Mode is not running. The developers themselves considered this service potentially unsafe and deleted it from the list of software that can work in Safe Mode.
Run Windows Installer in Safe Mode
Many modern programs cannot be installed or uninstalled without the Windows Installer service. Let's say that you are faced with a Windows error, which is caused by the incorrect operation of one of the programs. You can only uninstall a program, such as an antivirus, in safe mode. However, when you try to run the uninstaller, the system will display a message: “The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personal for assistance".
You can fix this situation by doing the following:
- We restart the computer in safe mode.
- Press "Win + R" and enter "regedit".
- The Registry Editor will open. If you booted into normal safe mode, go to the branch "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal". In the case when you needed a mode with command line support, go to the address "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network".
- Here you need to create a new partition called "MSIServer". To do this, right-click on the “Minimal” or “Network” section and select “Create”, “Section”. We give it the name "MSIServer".
- A new parameter will be automatically created in this section. Set it to "Service".
These registry actions can be performed at the command prompt. To do this, do the following:
- Launch the command line and enter: REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer" /VE /T REG_SZ /F /D "Service".
Now, in order to start or start using the features of the Windows Installer, it is worth typing "net start msiserver" at the command line or go to Manage Services and set the Installer status to "Enabled". Programs can be uninstalled or installed in safe mode.
Hello, dear readers of the blog site. Today, a short article on the topic of the windows operating system, or rather about how you can remove unnecessary programs in Safe Mode. This may come in handy in some cases. For example, as in mine, when the Windows operating system on my computer stopped starting normally after installing one program.
Recently, after installing the driver for the USB dongle, my laptop, when booting in normal mode, began to issue Blue screen of death or simply BSoD. Of course, you could not bother, and type in a search engine computer repair in Lyubertsy, find some company and for 500 rubles they would fix everything. But I went a more complicated way and decided to figure it out myself. I’ll say right away that it’s on my laptop windows 7 and all the screenshots in the article and instructions are for this operating system.
When trying windows started without any problem. An attempt to roll back the system to a restore point before installing the driver was unsuccessful. After booting in normal mode, the blue screen fell out again, and when booting in safe mode, a message appeared that system restore could not be performed because it was not possible to access system files.
Next, I just tried to remove the ill-fated driver. But when I tried to remove the driver from safe mode, I got back the message "Failed to access the Windows Installer service. The Windows Installer may not have been installed. Contact support for help."
On the English version of Windows, this message will look like this: "The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance."
When trying to start the service Windows Installer(in the service control console it is called "Windows Installer") also got an error message (Failed to start the service and this service does not start in safe mode):
As it turned out later, you can start the service by editing the system registry. In order to avoid the above problems and make the WIndows Installer work in safe mode, I prepared a brief instruction:
1. Run the registry editor regedit.
To do this, the menu "Start" in the file search bar enter regedit and run the found file, which will be displayed at the top Start.
2. We make changes to the system registry.
To do this, use the tree menu in the left area of the editor to open this section:
And here we create a subsection with the name MSIServer. To do this, right-click on the name of the section and select "Create -> Section" in the menu that opens.
And as the name of the created subsection we write MSIServer.
Meaning "Default" make equal Service. To do this, double-click on the name of the parameter. A window will appear "Changing a String Parameter". In this window in the field "Meaning" enter the desired value.
As a result of editing the system registry in the section HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ we should have a subsection MSIServer whose parameter value Default should be equal Service.
3. Starting the Windows Installer Service
After the above steps, you will be able to start the Windows Installer service. There are several ways to start a service. The easiest is to type on the command line net start msiserver. If the launch is successful, a message will appear on the command line that "Windows Installer service started successfully".
Or you can use service management console. To do this, right-click on the icon "My computer" on the desktop or in the menu "Start" and press "Control".
After that, a window will open "Computer Management". In the left area of the window in the menu, go to the section "Services and Applications" -> "Services". A list of services will open in the right pane of the window. In this list we are looking for a service "Windows Installer", right click on it and press "Run".
If you did everything correctly, then the service should start and you will be able to uninstall programs in safe mode.
I will add that in this way you can start almost any service in safe mode. That's all, until we meet again on the blog pages.
Windows Safe Mode is a very handy and necessary tool. On computers that are infected with viruses or have problems with hardware drivers, Safe Mode may be the only way to fix the problem with the computer.
Booting Windows in safe mode does not load any third-party software or drivers, thus increasing the chance that the boot will succeed and you can fix the problem in safe mode.
In theory, your computer should start Windows Safe Mode itself if it fails at boot, however, sometimes it is necessary to manually start Safe Mode, which is done as follows:
- IN Windows 7 and earlier versions: you must press F8 after turning on the computer, as a result, a menu will appear in which you can select to boot in safe mode. More about this in the article.
- IN Windows 8: You need to press Shift and F8 when you turn on the computer, but this may not work. In details: .
What exactly can be fixed in safe mode
After you have started safe mode, you can perform the following actions with the system to fix computer errors:
- Check your computer for viruses, perform virus treatment - very often those viruses that the antivirus cannot remove in normal mode are easily removed in safe mode. If you do not have an antivirus, you can install it while in safe mode.
- Run System Restore- if recently the computer was working stably, and now failures have begun, use System Restore to return the computer to the state it was in before.
- Remove installed software- if problems with the launch or operation of Windows began after some program or game was installed (especially for programs that install their own drivers), the blue screen of death began to appear, then you can remove the installed software in safe mode. It is very likely that the computer will boot normally after this.
- Update hardware drivers - provided that system device drivers cause system instability, you can download and install the latest drivers from the official websites of hardware manufacturers.
- Remove banner from desktop - safe mode with command line support is one of the main ways to get rid of SMS ransomware, how to do this is described in detail in the instructions.
- See if crashes appear in safe mode - if during normal boot of Windows with a computer there are problems - blue screen of death, automatic restart or similar, but they are absent in safe mode, then most likely the problem is software. If, on the contrary, the computer does not work in safe mode, causing all the same failures, then there is a chance that they are caused by hardware problems. It is worth noting that normal operation in safe mode does not guarantee that there are no hardware problems - it happens that they occur only when the equipment is heavily loaded, for example, a video card, which does not happen in safe mode.
Here are some of the things you can do in safe mode. This is far from a complete list. In some cases, when resolving and diagnosing the causes of a problem that has arisen takes an unacceptably long time and takes a lot of effort, reinstalling Windows may be the best option.
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