Instructions
Go to "My Computer" from the start menu of your PC and select the C drive.
Open this file: C:\Program files\MTA San Andreas\server\
Locate the sub-folder called: editor.conf.
Right click on "editor.conf" and select "open with" and then select "notepad."
Find and replace this text: "<disableac></disableac>" with this text: "<disableac>1,2,3,4,5,6,7,8,9</disableac>" and save the file.
Re-open the game and anti-cheat will be disabled.