Sync Toy Exception Error

eI was using Sync Toy to back up my files but it started giving a strange
error message so I uninstalled it and redownloaded it again. However it still
gives the same message "Application has generated an exception that could not
be handled.
Process id=0x39c(924, Thread id=0xa40(2624).
Click OK to terminate.
Click cancel to debug.

If I click cancel I then get
"Registered JIT debugger is not available. Please check computer settings.
cordbg.exe !a 0xcd8"

What do I need to do to get SyncToy to work properly on my PC.
Does anyone know of another piece of software that will enable me to easily
backup my files to another HArd Drive/USB Flash Drive please??

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jimbo805