GUID To Path is a program that attempts to determine which files are being referred to by a GUID. Simply provide one or more GUIDs and click "Search". A list of the GUIDs specified by the user and any associated files should appear along with some information about the GUIDs.
Example result for the GUID "{BD84B380-8CA2-1069-AB1D-08000948F534}" (found in "C:\Windows\Fonts\Desktop.ini" file):
{BD84B380-8CA2-1069-AB1D-08000948F534} (CLSID)
InprocServer32 = "%SystemRoot%\system32\fontext.dll"
Example result for the GUID "{BD84B380-8CA2-1069-AB1D-08000948F534}" (found in "C:\Windows\Fonts\Desktop.ini" file):
{BD84B380-8CA2-1069-AB1D-08000948F534} (CLSID)
InprocServer32 = "%SystemRoot%\system32\fontext.dll"