Here's my log from the same files (r4ek001):

20:51:04| XS++ v3.1 (Darwin) Ready !
20:51:04| Executed on Microsoft Windows XP
20:51:17|
20:51:17| Attempting to open the interface...
20:51:17|
20:51:17| TURN OFF PHONE!
20:51:17| Hold 'C' button on phone and connect phone NOW.
20:51:17| You have 30 seconds...
20:51:17|
20:51:23| Baseband ID: 8040
20:51:23| Protocol Version: 3.1
20:51:23|
20:51:23| Sending db2010_cid00_prodid_p3l.bin...
20:51:24| Applet ID: 061113 1250 ALUCXC125872_COMPACTPRODUCTION_ID_LOADER P3L
20:51:24| This is a PRODUCTION_ID loader
20:51:24| Activating GDFS...
20:51:24| Phone name detected!
20:51:24|
20:51:24| Profiling SEMC phone...
20:51:24| Platform: DB2010
20:51:24| OTP CID: 49
20:51:25| EROM CID: 49
20:51:25| EROM Color: Red
20:51:25| IMEI: 35235001xxxxxx
20:51:25| Phone ID: W810
20:51:25| Region: CINGULAR
20:51:25| CDA: CDA102494/58 R14A
20:51:25| Firmware Version: R4EA031
20:51:25| EROM: n/a
20:51:25| Ready for operation!
20:51:52|
20:51:52| Sending db2010_cid49red_flash_r2a003.bin...
20:51:52| Applet ID: 060718 0842 LIE_DB2010_FLASHLOADER_R2A003_CXC1326738
20:51:52| This is a FLASH loader
20:51:52| Now flashing firmware main...
20:51:53| Flashing c:\temp\w810_r4ek001_main_generic_hn_red49.mbn
20:51:53| Header type: BABE
20:51:53| 344 flashblocks
20:54:36| Finishing flash
20:54:36| Done flashing
20:54:36| Now flashing filesystem...
20:54:36| Flashing c:\temp\w810_r4ek001_fs_america_2_red49.fbn
20:54:36| Header type: BABE
20:54:36| 157 flashblocks
20:55:34| Failed sending flashblock 47. Returnvalue 0x45
20:55:34| Finishing flash
20:55:34| Binary acknowledge failed with: 89
20:55:34| Failed
20:55:34| Failed
20:55:42| Error: Flashing failed
20:55:42| Disconnected... Unplug the phone