GUIDE HOW TO EDIT system.msr
1.Unpacking the system.mrs
First, download the mrs unpacker at

Read the post to learn how to unpack it. If you still don't know how to unpack the system.mrs then just put mrs.exe and zlib.dll into C:\Documents and Settings\(user). Then, copy the original system.mrs from your gunz folder C:\Program Files\MAIET\Gunz, and put in in C:\Documents and Settings\(user). Go to start and click on run and type in CMD.exe. You should see a black box and then type in >mrs.exe d system.mrs<. Close the CMD and go to C:\Documents and Settings\(user) and you should see a folder named system. Delete the system.mrs and if you want to you can move the system folder.
2.Editing the system.mrs
Go into the system folder and then right click on the file you want to edit and press edit. Theres already tons of topics and posts to edit the system.mrs so just search the forums. Also, some of the things are server-sided so they won't work.
3.Packing the system.mrs
If you already edited the system.mrs, then put the folder back into C:\Documents and Settings\(user) if you moved it. Make sure the original system.mrs inside C:\Documents and Settings\(user) is deleted. Open up the CMD.exe and type in mrs.exe c system. Now you have your edited system.mrs. =]
Hope this guide helped You.
Mikkaav