my god where, were you when i was in yr8, i had to occupie the school network with my own games
caused a overload in the sever lol
they found i think it was 2000 copies of linerider (when it first came out)
and 1.5 terabytes of music
whuhahahahaha
btw remove the temporary internet files folder or intinate a auto clean constanlty
+make sure they cant acess system32 and the severs
+ since they wanted to spite me they 'lost' my work experience file so i was stuck there working, after a feew pointers i was programmnig away and wrote a scanner to check tempoary internet files for any porn or game/swf acesses and if found with any they would automatically be put on a watcher list
now on topic with your problem ^_^
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why dont you just ask the technition for a larger access to the computer abilities in school and build them there .or run the computer in safe mode so it loads you up as an adminstrator or put them on your memory stick and disconnect the sver line in-boot to load as a normal windows
ive pretty much bum fu#### my school's pcs for 5 years although i did more help than damage in the end
ive left now so my secrets are no longer important but i can screw the next generation over