Activate MSI logging

v - Verbose output
o - Out-of-disk-space messages
i - Status messages
c - Initial UI parameters
e - All error messages
w - Non-fatal warnings
a - Start up of actions
r - Action-specific records
m - Out-of-memory or fatal exit information
u - User requests
p - Terminal properties
+ - Append to existing file
! - Flush each line to the log


Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer]
"Logging"="voicewarmup"
"debug"=dword:00000007


Windows Registry Editor Version 5.00

[-HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer]