Win7 users reflected in the installation of the software, the system prompts "can not access the Windows Installer service", install software under Win7, prompt "can not access the Windows Installer service", is caused by the Microsoft Windows Installer service. Let's take a look at how the author solves the "inaccessible Windows Installer service" failure.
Unable to access Windows Installer Service
1, Start→All→Accessories→Command Prompt.
2, right click → run as administrator.
3, enter the following and press Enter.
reg delete HKLM\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\DisabledSessions /va /f (You can also make this statement a .bat batch file, then right click to run as administrator.) Br>
4, restart Win7 system.
We can also run regedit.exe to open the registry editor and find HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\DisabledSessions. Delete this item and restart.
Unable to install the software under Win7, the prompt "Unable to access the Windows Installer service", mainly because the Microsoft Windows Installer service, the installation package ending with the .msi extension needs to call this service during installation, and once this service If something goes wrong, it will lead to the above error.
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