[problems allowing players to join my personally hosted server]

the game runs / preforms normally on my lan but when other freinds try to join from their networks all the consol says is that the conection failed from their ip

 

plz help this is my first attempt at hosting a server could use the assistance / guidance.

 

and if i need to screen cap or something just tell me plz

[wont run anything in the technic pack]

sorry the OS is windows XP 2000

[wont run anything in the technic pack]

Launcher Version: 1.0.3.4

Operating System: windows XP professional 200

Java Version: 1.7.0_09

Antivirus Program: sophos

Description of Problem:

it wont run any of the types of tekkit all i get is this error page after i log in:

Error Messages:

Bad video card drivers!

-----------------------

Minecraft was unable to start because it failed to find an accelerated OpenGL mode.

This can usually be fixed by updating the video card drivers.

--- BEGIN ERROR REPORT 7fe0271 --------

Generated 12/14/12 3:41 PM

-- System Details --

Details:

Minecraft Version: 1.4.5

Operating System: Windows 2000 (x86) version 5.0

Java Version: 1.7.0_09, Oracle Corporation

Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation

Memory: 45152680 bytes (43 MB) / 85770240 bytes (81 MB) up to 1037959168 bytes (989 MB)

JVM Flags: 1 total; -Xmx1024m

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Suspicious classes: No suspicious classes found.

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

LWJGL: 2.4.2

OpenGL: ~~ERROR~~ NullPointerException: null

Is Modded: Very likely; Jar signature invalidated

Type: Client (map_client.txt)

Texture Pack: ~~ERROR~~ NullPointerException: null

Profiler Position: N/A (disabled)

Vec3 Pool Size: ~~ERROR~~ NullPointerException: null[failed to get system properties (java.lang.NullPointerException)]

org.lwjgl.LWJGLException: Pixel format not accelerated

at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)

at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)

at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:185)

at org.lwjgl.opengl.Display.createWindow(Display.java:311)

at org.lwjgl.opengl.Display.create(Display.java:856)

at org.lwjgl.opengl.Display.create(Display.java:784)

at org.lwjgl.opengl.Display.create(Display.java:765)

at net.minecraft.client.Minecraft.a(SourceFile:232)

at net.minecraft.client.Minecraft.run(SourceFile:515)

at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT 62c62c56 ----------

Error Log: