heres a list of all the errors i get.. some seem like ive had them since the first time i ever booted.. some i havent noticed before

1. Tried to mount /dev/hda4 as reiserfs but got error 19

2. ! mp3_decoder.cpp :1049:Failed to find valid sync after seeking to offset 1413
414, error=0xc0044000

3. ircomm_tty: virtual tty driver for IrCOMM ( revision:Wed May 26 00:49:11 1999 )
531, error=0xc0044000

4. NetWinder Floating Point Emulator V0.94.1 (c) 1998 Corel Computer Corp.try: 'Home/Work
Trying to unmount
empeg-car player (hardware revision 9, serial number 30102171)2/cmd.exe) failed

do any of these 4 error's or fails seem like a problem?