problem to login lineage2 high five client

i try ask help for gm's but it was useless, maybe ppls in forum can help me ?

hello i have error when start l2.exe file from system on my laptop

"the program canot start becouse system-dll is mising from your computer. try reinstaling the progran to fix this problem"
i try reinstal my client, update it but still get same problem

i have windows 7 home premium

Turn off your antivius program when you install the needed RPG-files. Antivirus programs find some RPG-files as malicious ones, but they are safe, just using a method whats similar to some viruses. And/or add the system folder to the exceptions in your antivirus program.

And its not a login, but a client starting "problem".

here we go:
i reinstal my client to anather place and it works, but updater dont  when i go in game i find some table that i need update my client, but i cant becouse my updater dont work...

"access to the path "C:/program files (x86)/l2/disk1/system/dll/c3582919.pack'is denied"
i have turn off my antivirus program

looks like run as administration helps ty guys