If you are having problems with a Windows Installer .MSI installation, you can enable Windows Installer logging:

1. Copy / Paste the following to a MSILOG.REG file:



2. Merge the MSILOG.REG file with your registry, or run regedit /s MSILOG.REG.

3. Rerun the problem installation.

NOTE: To avoid a performance hit, when you are finished troubleshooting, delete the Logging Value Name.

NOTE: The log file will be located in your Temp folder, have a name that starts with MSI, and have a .log extension.

NOTE: What does voicewarmup mean?

<b>v</b> - Verbose output
<b>o</b> - Out-of-disk-space messages
<b>i</b> - Status messages
<b>c</b> - Initial UI parameters
<b>e</b> - All error messages
<b>w</b> - Non-fatal warnings
<b>a</b> - Start up of actions
<b>r</b> - Action-specific records
<b>m</b> - Out-of-memory or fatal exit information
<b>u</b> - User requests
<b>p</b> - Terminal properties
<b>+</b> - Append to existing file
<b>!</b> - Flush each line to the log
NOTE: see How do I manage Windows Installer local policies by using the registry?