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How can I reinstall Windows Installer 4.5 on a Windows Vista SP1? When I run the redistributable installer, it simply says that the update is not needed (msiexec /?
indeed returns the same version).
The actual problem i'm facing is related to the inability of installing any updates (i.e. SP2) due to a (apparently) corrupted behavior of Windows Installer. When I try to start the EAP service (WLAN autoconfig dependency), it mentions that the EAP service is not a valid Win32 instance, erroring with "193, 0xc1".
Any ideas?
Have you tried uninstalling the windows installer service first? – MaQleod – 2011-08-11T21:46:10.837
how can i do that? – XXL – 2011-08-11T21:50:26.980
It should be listed in Add/Remove Programs. – music2myear – 2011-08-11T22:01:29.913
Im not 100% sure here, but, you could have bigger problems... Possibly try running
SFC /SCANNOW
from an elevated command line. – William Hilsum – 2011-08-11T22:02:20.577yes, i have performed sfc /scannow prior to this and it has reported some errors that it could not correct, as well. suggestions? – XXL – 2011-08-11T22:19:10.063