Are you encountering the “Windows Installer Service Could Not Be Accessed” error in your pc? I’ve defined just a few troubleshooting ideas that can provide help to resolve this downside simply. This message pops up while you attempt to set up a program on Windows OS, however the installer file that’s accountable for organising the app in your PC does not launch.
If the consumer making an attempt to provoke the set up does not have administrator privilege, then the set up will not proceed additional. It can be vital to verify if the Windows Installer service has stopped. This may be attributable to the presence of corrupt system recordsdata in your pc.
The Windows Installer might have been de-registered. This will also be attributed to corrupt system recordsdata. Are you already utilizing an older model of the identical program you are attempting to set up individually? That will trigger battle, and the set up won’t work until you uninstall the prevailing model of that app.
Table of Contents
Tips to Fix Windows Installer Service Could Not Be Accessed Error
Here are all of the fixes you may check out to sort out the “Windows Installer Service Could Not Be Accessed” error on Windows 11.
1. Uninstall the Existing Version of the App
Here are the steps to uninstall the prevailing model of an app. Once you uninstall it, then solely you may reinstall it once more.
- Press Windows + X to launch the quick-access menu. Select Installed Apps.
- Access the involved program inside the record of put in apps.
- Click the three-dot icon beside the app title and choose Uninstall.
- Confirm the transfer by clicking on Uninstall when the pop-up seems.
- Restart the pc and run the installer file for a similar program.
2. Restart Windows Installer Service
Check if the Windows Installer service is working. If it has stopped, then restart it. Follow the steps beneath.
- Press Windows +R to launch the Run field.
- Type companies.msc and press enter.
- Scroll to Windows Installer > right-click on it > choose Restart.
3. Relaunch the Installer With Administrator Permission
You ought to verify whether or not you may run the put in program with administrator privilege or not. First, you might have to shut the installer from the Task Manager whether it is nonetheless working.
- Press Ctrl +Shift + Esc to launch the Task Manager.
- Scroll to the Installer program beneath the Apps part, right-click on it, and choose End Task.
- Launch the File Explorer by clicking on Windows + E hotkeys.
- Scroll to the folder the place you might have downloaded/saved the installer file for the app you might have been making an attempt to set up.
- Right-click on the installer file and choose Run As Administrator.
- Click on Yes, when the immediate seems.
4. Restart your pc
While you might be fixing the “Windows Installer Service Could Not Be Accessed” error, attempt to restart your PC. It is a quite simple repair, however it may resolve the random bugs on the Windows OS that could be inflicting the error.
- Press the Windows key to deliver up the fast search console.
- At the underside proper nook of the search field, click on the energy icon.
- Then click on on Restart from the menu that seems.
- After the PC restarts, entry the Installer file and take a look at to set up the app.
5. Re-register Windows Installer
To re-register the Windows Installer service, you might have to use the Command Prompt.
- Open Command Prompt utilizing Windows Search (Windows + S)
- Click on Yes when the immediate seems asking concerning making modifications to your pc.
- Enter the next instructions one after the opposite and execute them.
%windirpercentsystem32msiexec.exe /unregister %windirpercentsystem32msiexec.exe /regserver %windirpercentsyswow64msiexec.exe /unregister %windirpercentsyswow64msiexec.exe /regserver
- Close the command immediate after performing this repair.
NOTE: When you execute every of those instructions, you will not see any post-execution message.
7. Run SFC and DISM Scans
The subsequent repair you may implement is scanning for corrupt system recordsdata on Windows OS. For that, once more, you might have to use the command immediate and execute the SFC and DISM scans.
- Launch the Command Prompt with Administrator rights.
- Enter the command beneath to begin the scan for corrupt system recordsdata.
- Next, for the DISM scan, enter these units of instructions one after the opposite.
DISM /Online /Cleanup-Image /CheckWell being DISM /Online /Cleanup-Image /ScanHealth DISM /Online /Cleanup-Image /RestoreHealth
The technique of scanning for corrupt system recordsdata might take a while. Do not interrupt or cease the method whereas it’s lively. Once the issue of corrupt system recordsdata is mounted, you may resume putting in the applying in your PC.
8. Reset the Windows Installer Service
Resetting the Windows Installer service could be a bit technical. There is not any current choice within the Windows settings to reset the Windows Installer service. You have to create a registry file and execute it.
- Launch the Notepad app utilizing Windows search.
- In the notepad, paste the fragment of code I’ve talked about beneath.
Windows Registry Editor Version 5.00 [ComputerHKLMSYSTEMCurrentControlSetservicesMSIServer] "DisplayName"="@%SystemRoot%system32msimsg.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%system32msimsg.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_MACHINESYSTEMCurrentControlSetServicesmsiserverEnum] "0"="RootLEGACY_MSISERVER000" "Count"=dword:00000001 "NextInstance"=dword:00000001
- Press Ctrl + Shift + S.
- In the Save As window, set the filename as RESETWI.reg
- Set the Save as kind to All Files.
- Click on Save.
- Go to the folder the place the Notepad file is saved and double-click it to launch it.
- Click on Yes > Click OK after you see a immediate that the brand new element will get built-in into the registry.
NOTE: Modifying the registry might make just a few options in your PC dysfunctional or behave weirdly. So, proceed with this troubleshooting methodology at your threat.
Install Applications Without any Error
I hope the following tips and methods have been helpful and also you have been in a position to repair the “Windows Installer Service Could Not Be Accessed” error on Windows 11. Now, whereas putting in any program in your pc and working the installer recordsdata, you shouldn’t see any error message.