Logview is a tool that helps with debugging SumatraPDF.

When Logview is running, you can see SumatraPDF logs in its window. Logs contain information that can help diagnose issues.

Download Logview 0.2.

Logview is a generic logging tool that opens a named pipe \\.\pipe\LOCAL\ArsLexis-Logger that any application can open and write to.

SumatraPDF uses it for logging (log(), logf() functions in Log.h and Log.cpp).