1: Click on Run and type “Services.msc”
2: Right click on “Windows Installer” service and click Stop.
3: When “Windows Installer” Service was Stop then again Right Click on “Windows Installer” and Start Service Again.
4: Again open Run and type “%temp%”
5: Right click any blank area in the temp folder and select Properties
6: under Security tab click Edit
7: Add a new User by clicking add
8: Search for Everyone
9: Give everyone full permission by Check the full permission block
10: Click Ok
Done…! Run Installer Again.