This is an aggressive fix, but one I had to take after numerous ( thousands ) or syslog errors :
2/3/10 6:08:50 PM com.apple.launchd.peruser.502[407] (com.akamai.client.plist) Throttling respawn: Will start in 10 seconds
2/3/10 6:08:59 PM [0x0-0x12012].com.adiumX.adiumX[452] (process:452): Json-CRITICAL **: json_node_get_int: assertion `node != NULL' failed
2/3/10 6:09:00 PM com.apple.launchd.peruser.502[407] (com.akamai.client.plist[6584]) Bug: launchd_core_logic.c:4103 (23932):13
2/3/10 6:09:00 PM com.apple.launchd.peruser.502[407] (com.akamai.client.plist[6584]) posix_spawn("/Applications/Akamai/loader.pl", ...): No such file or directory
2/3/10 6:09:00 PM com.apple.launchd.peruser.502[407] (com.akamai.client.plist[6584]) Exited with exit code: 1
I followed this process ( found in mac forums ):
WARNING: “rm -rf” IS A DANGEROUS COMMAND, MAKE SURE YOU KNOW WHAT YOU ARE ERASING !!!
boot to single user : (CMD+Option+S) and run the following commands :
fsck -fy
rm -rf /Library/Caches
rm -rf /Users/YOURUSERNAME/Library/Caches
rm -rf /.Spotlight-V100
reboot