Safe Mode is used in Win 10/8/7 for troubleshooting the Windows, while Windows Installer does not work under Safe Mode, that means programs cannot be installed or uninstalled in safe mode without giving a specific command using “msiexec” in command prompt. When you will try to uninstall applications in Safe Mode, you may receive the following message:

“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.”

There are ways to make Windows Installer work in Safe Mode:

Safe Mode:

1. Open the Command Prompt with administrator privileges and execute the following command:

REG ADD “HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer” /VE /T REG_SZ /F /D “Service”

adding-safe-boot-in-windows2. Now start the Windows Installer service by executing the following command:

net start msiserver

net-start-msiserver

Safe Mode with Networking:

1. Execute the following command with Administrative privileges in command prompt:

REG ADD “HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\MSIServer” /VE /T REG_SZ /F /D “Service”

2. Now, issue the following command to start the Windows Installer service:

net start msiserver

Safe Mode Windows Installer

If you don’t want to go through command prompt, then you can also download a freeware utility which automates the entire process and makes thing easier for you.

Simply download SafeMSI, boot in safe mode and then run this utility.

safe-mode-windows-installerNow you can uninstall and install software in safe mode in Windows.

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