Copy the "spflgvw.exe" file to an arbitrary directory. This program consists of just one file.
Uninstall
The registry keeps program-specific data ( HKEY_CURRENT_USER\Software\SalB\SPF Log Viewer ). Delete the key manually or execue "RegClean.exe" in the same directory.
Then delete all files ( *.exe, *.dll, *.lst, *.txt ) in that directory.