errors in kernel log after 10.6.3 update

[robi62]

hi after updating to 10.6.3 I get these errors from kernel log.

 

Just wanted to know if anyone else is having same problems.

 

I have googled it but no luck

 

 

 

Jun 4 18:20:03 Mac kernel[0]: Refusing new kext com.apple.kernel.iokit, v7.9.9: a loaded copy with a different executable UUID is already present.

 

 

Jun 4 17:53:03 Mac kernel[0]: Refusing new kext com.apple.iokit.IONetworkingFamily, v1.9: already have loaded v1.8

 

Jun 4 18:20:06 Mac kernel[0]: Refusing new kext com.apple.iokit.IOAudioFamily, v1.7.6f2: already have loaded v1.7f16.