GameGuard Error List And How To Fix It
i have make a thread about my problem with my error GG but nobody can help. and just searching in, i found this thread. and this fix my error for GG

GAMEGUARD ERRORS :

Error 0- This error is related with Windows 7.
Delete the GameGuard folder and download the GameGuardprogram.
Then run the Gameguardprogram and install the GameGuard into the 9Dragons folder
By default: My PC >> C:\Programs Files\9Dragons
If you still have same error, follow the next steps:
1- Install the game client.
2- Make a copy of GAMEGUARD.DES from 9Dragons and save it in a safe folder.
By default the location is: C:\Programs Files\9Dragons
3- If you have installed another game which uses GameGuard - its Gameguard.des.
4- If you have not, you can try installing any other game which uses GameGuard.
5- Delete the GAMEGUARD.DES file from your 9Dragons folder.
6- Replace it with the GameGuard.des file that you have copied from the other game.
7- Run 9Dragons and GameGuard should update.

Error 100 - Computer is infected with virus.Please update the anti-virus to the latest and scan the PC. Even after scanning, if the error code 100 persists to appear, it might be undetectable virus.

Error 110 - This is indicating that NProtect has already been loaded once and is still resident in memory. Bring up the Task Manager by clicking “Ctrl” “Alt” “Delete”, click processes, and perform an end process on u_skidprogram and GameMon.des. If ending these processes does not resolve the error, please reboot your PC.View GameGuard FAQ also.

Error 112 - Please be sure your PC is free of viruses, and that sufficient memory is available. You may wish to make sure your virus scanning program is up-to-date and functioning properly, and that you do not have too many other open programs.
Solution 1.Disable any security software temporarily which may be preventing GameGuard from executing.
Solution 2.Scan your computer with an up-to-date virus scanner to remove viruses that may have prevented GameGuard from executing.
Solution 3.Check that your computer meets the Minimum System Requirments.

Error 114 - A very commen GameGuard error. Unfortunately a specific solution to this error is unavailable. In general, it is indicating that some software on your PC is preventing NProtect from loading. Verify that you have administrative access to the PC you are using, and that you have shut down all nonessential software. Also, you may wish to end any unnecessary system services or processes if you feel comfortable doing so. You may also wish to try temporarily disabling any virus scanning, firewall, or security software on your PC.View GameGuard FAQ also.
Solution 1.Hit ‘Ctrl+Shift+Esc’ to launch Task Manager. Under ‘Processes’, terminate GameMon.des
Solution 2.Disable any security software temporarily which may be preventing GameGuard from executing
Solution 3.Restart your computer.

Error 115 -Game has been executed multiple times, or GameGuard is already running.Close the game and restart.
Solution 1.Hit ‘Ctrl+Shift+Esc’ to launch Task Manager. Under ‘Processes’, terminate GameMon.des
Solution 2.Restart your computer.
or GameGuard has failed to initialize. Please configure your security application(s) and disable UAC (User Account Controls) in Windows Vista or Windows 7.

Error 120 - Your installation of NProtect is either incomplete or damaged. Please delete the GameGuard folder and repatch or try clicking on the [Check Files] button.
Error 124 - Same solution as Error 120
Error 141 - Same solution as Error 120
Error 142 - Same solution as Error 120

Error 150 - Setup file for GameGuard does not exist or is corrupted.Delete GameGuard folder,restart PC and let launcher re-download the GameGuard.Or download setup file for GameGuard and install at GameGuard folder.

Error 153 - Same solution as Error 150

Error 155 - This error should not occur under Windows XP. If it is occured, your PC may have a severe virus or be experiencing Operating System / Hard Disk corruption. Please visit Microsoft for assistance in restoring this file for your particular OS version. If you are unable to restore it, we recommend contacting a qualified PC technician to examine your PC. It is recommended to check for virus, and reinstall Internet Explorer or rsabase.dll in the system folder according to Internet Explorer version.

Error 157 - GameGuard still running. Close 9Dragons if it is open, wait 1 or 2 minutes and restart the game. If you keep getting same error, then restart the PC.

Error 170 - Due to a problem with the GameGuard INI, the program was unable to launch. We recommend deleting the GameGuard folder and re-running the game again in order to redownload the NProtect files.
or Failed to execute GameGuard process.Delete GameGuard folder,restart PC and let launcher re-download the GameGuard.Or reinstall the GameGuard setup file and try running the game again.

Error 174 - Also known as |completer skill bug.Overlapping comp+other skills. Can cause frequent dc's and lead to a permanent ban since it's seen as speedhacking. Re-installation and ensuring the client is functional will fix it.

Error 200 -An illegal program has been detected.Close unnecessary programs and try again(lookup for 3rd party tool programs too).
Solution 1.Hit ‘Ctrl+Shift+Esc’ to launch Task Manager. Terminate any unnecessary or illegal (hacking) programs or processes. If you need help on solving error 200, post a screenshot of your running processes in a new thread.
Solution 2.Scan your computer with an up-to-date virus scanner to remove viruses that may be in the blacklist of nProtect.
Solution 3.Run Windows in Diagnostic Startup
1. Start> Run> Type in msconfig> OK
2. Under ‘General’, select Diagnostic Startup and reboot your computer.

Error 230 - Initialization error.
Update DirectX and the drivers of your graphic card, but be sure to select the correct one.
If this does not solve the problem then delete the GameGuard folder’s contend.
The default location is C:\Program Files\9Dragons\GameGuard
Then restart the game and GameGuard will be reinstalled and updated
Delete the GameGuard folder’s contend and download the GameGuardprogram.
Then run the Gameguardprogram and install the GameGuard into the 9Dragons folder
By default: My PC >> C:\Programs Files\9Dragons

Error 340 - This is indicating that the NProtect patches failed to download, either due to an overly restrictive firewall or network issues leading to failed downloads. Please check your firewall or anti-virus’ settings and allow GameGuard to patch it’s files.
or Failed to download. Network might not be stable currently, Internet or firewall settings might be having some problems(they might need to be adjusted manually).
If GameGuard still does not update then find the Hosts file.
Try : My PC > C:\Windows\System32\drivers\etc
Into the etc folder find the hosts file and follow the next steps:
1- Right click on the hosts file and selct properties.
2- Make sure tha read only option is unchecked.
3- Open the hosts file with Notepad ( imagine is link at the start of the post).
4- Delete all the lines and text under
.... # ........ 127.0.0.1 ........ localhost
5- Close the hosts file accepting the changes and restart your PC.
Make sure you have enough bandwidth and no upload/download is making crowded your Internet connection.If you are using wireless connection, make sure it is stable and nobody uses your connection.Close any other applications besides 9Dragons.

Error 350 – GameGuard has been cancelled by the computer’s user. Please restart and do not click cancel on GameGuard.
or Cancel(Abort) button has been clicked while updating or due to the failure of connection.
1. Try connecting again or confirm its network status and/or pressing "Retry" button.
2. It could also be slow update due to insufficient network bandwidth. Or, FTP or HTTP connection might be blocked.

Error 360 - The NProtect patch process failed due to corrupted files, or an overly restrictive firewall. Please be sure to allow NProtect access through your firewall. If the problem persists, delete the GameGuard directory.
or- Update is not successful or GameGuard file is corrupted.
1.Try again in a minute, or check the firewall settings.
2.Right click on hard disk drive - select device - do disk scan, delete GameGuard folder in the game directory, download GameGuard using the manual link, install and try again

Error 361 - Gameguard did not install well. Maybe you cancelled it or something. Either Re-download gameguard or Go to :Internet>Settings>Network>Check security program on top is working or not.
Also check if you need to get authorized to use the internet. Check the internet settings, network, and see if security program such as "itop" is running or not. Also check if you need to get authorized before connecting to the internet.

Error 380 - This is indicating that either there is a problem with your internet connection, security software on your PC. You may wish to wait a while and try again, and verify your firewall settings, as well.
or Failed to connect to the GameGuard update server.
1. Download GameGuard manually using the link provided, and try installing. If you are using Windows XP Service Pack 2, please check the firewall settings to see if GameGuard is allowed to access. Sometimes, the problems disappear by restarting the PC. Manual Download.
2. It is possible that firewall application such as Sygate Firewall might be blocking the access of GameGuard. Open the specific firewall and check if GameGuard.des is blocked or not.error

Error 405 - is related to Invalid timestamp or timestamp out of acceptable boundries, normally encountered when entering dungeons its a failsafe to stop bots entering dungeons with faked/forged packets.
All cases have been traced to either:
1.Multiple persons in a team all trying to enter a dungeon at same time, each person in team will get the error as the team is dc "Or"
2.The persons connection is unstable due to excessive uploading/downloading on the network, or In-efficient Networking Hardware (* Router/Wifi cards/Wifi Ariels *)
This can be resolved by checking connection status and identifying source of weak connection, and removing said problem, I.e. > Tell other users of shared connection to limit download/uploads(* this has only been affecting Wireless players and therefore is PROBABLY due to the distance they are from there router.... )

Error 421 - Is due to a gameguard error. Delete the current gameguard folder and either let the launcher download a fresh copy, or replace it with one that works (from someone else).

Error 500 - Detection of Program that makes conflict with GameGuard.

Error 610,620 -GameGuard files are not found or have been changed. Delete the GameGuard folder and try again.

Error 905 - Is related to animations and gameguard.Re-installation and ensuring the client is functional will fix it.

Error 1012,1013, 1014 - GameGuard files are not found or have been changed. Delete the GameGuard folder and try again.

Error 1015 - The game files appear to have been modified. Please reinstall the game.

Error ___ - (No numbers) This is an indication that your computer is “lagging”.

Other ERRORS :
"Cannot display video mode" error -Either: Reinstall the game or reinstall you entire graphic card.
I keep getting dced like 5mins into the game! -Try this
My Computer>C: or D:> Program Files> GamersFirst> 9dragons> NDLAUNCHERprogram
Right click> Properties> Compability> Change to other lower ones.
All other codes : An error occurred while running GameGuard.

NOTE : im just copied this from another forum. wish this fix your error.