what's wrong with my bitminter client? It output nothing but Miscalculations for a long time.
2013.11.26 [03:41] Found 1 OpenCL-compatible GPU
2013.11.26 [03:41]  BFI patch failed!
2013.11.26 [03:41] Starting long polling
2013.11.26 [03:41] Difficulty is now 609482680
2013.11.26 [06:37]  Fetching more work failed: mint.bitminter.com
2013.11.26 [06:37]  Fetching more work failed: mint.bitminter.com
2013.11.26 [06:37]  Fetching more work failed: mint.bitminter.com
2013.11.26 [06:37]  Fetching more work failed: mint.bitminter.com

The connetion is ok, Proofs 0, Miscalculations 129, Spare work on hand 2.
Anybody can help? Thanks.