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Windows Installer can use logging to help assist in troubleshooting issues with installing software packages. You can enable verbose logging with this setting.

Open your registry and find or create the key below.

Create a new string value called "Logging" and set it to a combination of the letters below to enable the logging options. A value of "voicewarmup" will enable all the logging options.

Letter	Option
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

The next time Windows Installer is used a log will be created.

Note: Windows Installer will store the logs in the TEMP directory. The filename is random, but begins with the letters "Msi" and end with a .log extension.

		(Default)	REG_SZ	(value not set)
		Logging	REG_SZ	voicewarmup

	HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Installer

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.