SQL Optimizer crashes when running Find SQL from the Plan Cache (4315502)

WORKAROUND 1 :

Find SQL data files are saved in "\\.........\Application Data\Quest Software\Quest SQL Optimizer for SQL Server\10.0.1\Find SQL Data\" folder.  
Backup those sub-folders if you want to keep the existing Find SQL data.
If not then delete all of its sub-folders.
Restart SQL Optimizer and run Find SQL again.

WORKAROUND 2 :

If the Find SQL data directory is located in a network drive, set the directory to a local folder instead.
Restart SQL Optimizer and run Find SQL again.