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Windows Installer Service Could Not Be Accessed

Windows installer service could not be accessed

SYMPTOM

Some times when we try to install a program, we will get an error ”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.”

CAUSE

The registry under

“HKEY_lOCAL_MACHINE/SYSTEM/CurrentControlSet/services/msiserver”

has been corrupted.

SOLUTION

The solution is deleting this registry key and importing the msiserver registry key from another working machine. Restart computer then issue will be gone.

REFERENCES

https://social.technet.microsoft.com/Forums/en-US/w7itproappcompat/thread/eae8a280-8afe-4719-b4c6-98d25a207a6a

https://social.answers.microsoft.com/Forums/en-US/vistainstall/thread/faf990f4-ea9a-41dd-a450-08ac18b8e9b9

https://social.answers.microsoft.com/Forums/en-US/w7programs/thread/a3d7a90f-5953-4b93-a536-d807e21e0b93/