are these okay ?

Hi guys i'm new to Windows 7 forums & this is my 2nd post.because Ist one i gave up for helping a guy.//
anyway i'm uploading my event log.these are administartive logs and i have many errors & warnings in it.
plz look at them & tell me are these okay ? i'm recieving error frequently is your computer was not able to renew address from network.anyway look u'rself >>

Work through repeat errors as shown in Troubleshooting Steps for Windows 7 which also offers other important steps for going over your install thoroughly to check it out and optimize it.

Ok thanks greg :),i'll try those.sorry for late reply....