SmartFTP crashes every time I try to upload / download

Problem signature:
Problem Event Name: APPCRASH
Application Name: SmartFTP.exe
Application Version: 3.0.1010.18
Application Timestamp: 47e179c4
Fault Module Name: sfTransferQueue.dll
Fault Module Version:
Fault Module Timestamp: 47e178b4
Exception Code: c0000005
Exception Offset: 00031609
OS Version: 6.0.6001.
Locale ID: 1033
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

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System details:

Windows Vista SP1
AMD Athlon 5000+ 2.6GHz Dual core cpu's
Nvidia chipset
360GB hard drive
All latest patches, anti spyware, etc. installed


Every time I try to upload or download to / from my server, SmartFTP crashes with the error shown above. This is on the 3/19 build download. The 3/16 download worked just fine for me.