Error when starting RB 1.5.3

0) Have you read the "READ ME FIRST" thread in its entirety before posting: I swear!

1) Operating System: OSX 10.7.4

2) OS Type: 64bit

3) Rekordbox version: 1.5.3 - because of the 1.5.4 bugs 

4) Using LINK: Yes

4a) LINK Connection method: DJM2000 + CDj2000

4b) Using with CDJs: Yes

5) Hard drive / Flash drive / SD card file system: FAT32

5a) Does the device have multiple partitions: No

5b) If it's a flash drive, is it a U3 device: No

5c) With what utility did you format the device: HP USB Formatting Utility

6) Have you scanned your files for errors: Yes

7) Have you scanned your drive for errors: Yes

8) Is Rekordbox crashing at all: No - sometimes

8a) If crashing, is it resulting in: crash log  

8b) If not crashing, are there any error messages: -

9) Are you able to repeat / reproduce the problem: Yes

9a) If yes, can you do it consistently: No

10) Any other notes regarding your setup only: Macbook pro

Provide as much detail of the issue here:

When i start up RB, it sometimes shuts itself down with an error message. But other times, it just works as it should.

What does this error mean? It's really annoying, sometimes i get the error 2 or more times before RB starts up normally.

Thanks.

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