Safe Launcher probably calls MsiServer which is an on-demand service.
C:\Users\Pat>sc qc msiserver
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: msiserver
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 3 DEMAND_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Windows\system32\msiexec.exe /V
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : Windows Installer
DEPENDENCIES : rpcss
SERVICE_START_NAME : LocalSystem
The Windows Installer window pops up then closes and the error message follows.
As per;
“The Windows Installer Service Could Not Be Accessed” error when …
https://support.microsoft.com/en-ca/kb/2642495
start the service manually;
To start the Windows Installer Service, follow these steps:
- Click Start, and then type CMD in the Search programs and files dialog box.
- Right-click cmd.exe, and then click Run as Administrator.
- Type net start MSIServer, and then pressENTER.
- Restart the installation process for the program that you want to install.
Worked for me.
YMMV
C:\Users\Pat>wmic os get Version, Caption, CountryCode, ServicePackMajorVersion, WindowsDirectory /format:list
Caption=Microsoft Windows 7 Home Premium
CountryCode=1
ServicePackMajorVersion=1
Version=6.1.7601
WindowsDirectory=C:\Windows