It is installed alongside many Asian massively multiplayer online roleplaying games (MMORPGs) such as Lineage II, 9Dragons, Cabal Online, Phantasy Star Universe, Gun Z: The Duel, Flyff, Pang Yaand Ragnarok Online to block malicious applications and common methods of cheating.
n Protect Game Guard provides B2B2C (Business to Business to Consumer) security services for online game companies and portal sites.
C:\Programs FilesDragons If you still have same error, follow the next steps:1- Install the game client.2- Make a copy of GAMEGUARD. By default the location is: C:\Programs FilesDragons3- If you have installed another game which uses Game Guard - its 4- If you have not, you can try installing any other game which uses Game Guard.5- Delete the GAMEGUARD.
DES file from your 9Dragons folder.6- Replace it with the Game file that you have copied from the other game.7- Run 9Dragons and Game Guard should update.- This is indicating that NProtect has already been loaded once and is still resident in memory.
Some editions of Game Guard are now bundled with INCA Internet's Tachyon anti-virus/anti-spyware library, and others with n Protect Key Crypt, an anti-key-logger software that protects the keyboard input information.
I recommend antivirus tools and software like: CCleaner, Comodo Cleaning Essentials, Malware Bytes, and Spy Bot Serach & Destroy. Make sure you don't have any programs that could be "scanning" your computer's memory. If you're on XP, consider updating your system to a 7 or 8.1 machine.
Look for these on their associated sites (such as Piriform for CCleaner, Safer Networking for Spybot, or Bleeping Computer for many others) and avoid CNet. Since you should be on Windows (sorry Mac and *Nix users), run the following in a command prompt (note: can take a decent amount of time to run): Please see this post on /r/PSO2 and make sure to read the entire post comments.
Add Game Guard and PSO2 to the real time protection whitelist in your antivirus's control panel.
(Usually the C:\Program Files (x86)\Sega\PHANTASYSTARONLINE2 folder will do the trick.) Multiple antivirus softwares on your computer may be part of the problem. Make sure there aren't any infections on your computer. If you're on Windows 8, make sure you have updated to v8.1.