What to do if Windows Installer is not working?

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Tags

1. #disabled
2. #prompt
3. #could
4. #enter
5. #incorrectly
6. #engine
7. #happens
8. #service
9. #press
10. #installer
11. #usually
12. #windows
13. #services
14. #installed
15. #restart
16. #corrupted
17. #msiexec
18. #accessed