Issue: When you install Python, you are prompted to "Cannot access Windows installation Services ..."?
Solution:
1, open the registration form;
Action: windows-"Start-search-" input "regedit"-"Enter"
2, find WOW64;
Operation:
HKEY_LOCAL_MACHINE.
SYSTEM
CurrentControlSet
Services (Service)
MSIServer
WOW64
3, double-click or right-Modify: Value data modified to 0 (default may show 1)
4. Open System service
Operation: windows-"Start-" search-"input" services.msc "-" Enter-"to find" Windows installers "-" deactivate-"Start-" restart
5. Install the application ... Success, will not be an error!
Summarize:
Remember, remember, remember: There are problems to find Official Community
Thank you: https://social.technet.microsoft.com/Forums/windows/en-US/eae8a280-8afe-4719-b4c6-98d25a207a6a/ Windows-installer-service-could-not-be-accessed?forum=w7itproappcompat
Windows7_ installation Issue "Windows installer service could not being accessed ..."