cant access normal mode

Hello,




My system is windows xp sp3 toshiba m45 satellite laptop. For the past 2 months or so I cannot access normal mode. I dont know if it's malware/viruses that is causing the problem or if it is somethign else. Windows logo will load but not desktop. Also, recently I am having troubles installing programs like adobe flash/reader, several anti viruses like kaspersky trial, nod32 trial, and Avg trial. I never had problems in the past with those programs , now everytime I try to install them it says " system administrator has policies set to prevent installation". Again, I do not know if this is caused by malware or some other failure. The only antivirus that I was able to install was AVAST. But although it is generally a good AV, it didn't find all viruses. I have been using online scanners and the last one I used was NOD eset which revealed I had a win32 bagle worm infection, but I didnt know how to delete it manually. So yesterday I bought kaspersky AV 2009, tried to install but my system wouldnt let me-" system administrator has set policies to prevent installation". I logged on as administrator to no avail, I still have the same problem.

here are the logs needed. Thanks in advance.

 

this is the mstool log.

 

when I tried to uninstall both java it says " widows installer service could not be accessed... this could happen if you are in safe mode or if windows installer is not correctly installed.." I am on safe mode with networking because I cant access normal mode. Also, there seems to be a problem with my windows installer since I cannot install/uninstall many programs that depend on it. So if it is not malware then what could it be? is it better to reformat windows?

 

yes i tried msconfig and under boot.ini all boxes were unchecked. how do I go about repair installation? Do I need original xp cd for that?

 

thanks for the link and the help! much appreciated