Msg: "Update Failed"

[DaBlarginator]

Launcher Version: 1.0.4.3

Operating System: Windows 7 (64-bit)

Java Version: 7.0.50.6

Antivirus Program: Norton

Description of Problem:

When I try to start up Tekkit Lite or the Voltz modpacks a message comes up that says "Update Failed." I've tried changing the versions in the options menu, but I keep getting the same message. Anyone know how to fix this?

Error Messages:

"Update Failed"

Error Log:

[17:06:13] [sEVERE]	------------------------------------------

[17:06:13] [sEVERE]	Launcher is starting....

[17:06:13] [sEVERE]	Launcher Build: '1.0.4.3'

[17:06:13] [sEVERE]	Allocated 910.25 Mb of RAM

[17:06:13] [sEVERE]	Java VM: '1.7.0_05-b06'

[17:06:13] [sEVERE]	OS Version: '6.1'

[17:06:13] [sEVERE]	Is 64-bit: 'true'

[17:06:14] [sEVERE]	[info] Downloading 'mirrors.yml' from 'http://mirror.technicpack.net/Technic/mirrors.yml'.

[17:06:14] [sEVERE]	Starting download of 'http://206.217.207.1/Technic/CHECKSUM.md5', with 3 trie(s) remaining

[17:06:15] [sEVERE]	Copying: \temp\file2714663078622641423.tmp to: \launcher\CHECKSUM.md5

[17:06:15] [sEVERE]	File Downloaded: \launcher\CHECKSUM.md5

[17:06:15] [sEVERE]	[MD5 Mismatch] File '\launcher\tekkitlite\modpack.yml' has md5 of 'e3f5b4f0cdb6d13000110249d1997d15' instead of 'bd272ef56b8863e21f75cce48d31329f'

[17:06:15] [sEVERE]	[info] Downloading 'modpack.yml' from 'http://206.217.207.1/Technic/tekkitlite/modpack.yml'.

[17:06:16] [sEVERE]	[info] Downloading 'minecraft.yml' from 'http://206.217.207.1/Technic/minecraft.yml'.

[17:06:24] [sEVERE]	java.lang.NumberFormatException: For input string: "null"

[17:06:24] [sEVERE]		at java.lang.NumberFormatException.forInputString(Unknown Source)

[17:06:24] [sEVERE]		at java.lang.Integer.parseInt(Unknown Source)

[17:06:24] [sEVERE]		at java.lang.Integer.<init>(Unknown Source)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.MinecraftYML.compareVersions(MinecraftYML.java:92)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.MinecraftYML.getLatestCachedMinecraft(MinecraftYML.java:77)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.MinecraftDownloadUtils.downloadMinecraftVersion(MinecraftDownloadUtils.java:59)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.MinecraftDownloadUtils.downloadMinecraft(MinecraftDownloadUtils.java:14)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.GameUpdater.updateMC(GameUpdater.java:123)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.gui.LoginForm$3.doInBackground(LoginForm.java:825)

[17:06:24] [sEVERE]		at org.spoutcraft.launcher.gui.LoginForm$3.doInBackground(LoginForm.java:1)

[17:06:24] [sEVERE]		at javax.swing.SwingWorker$1.call(Unknown Source)

[17:06:24] [sEVERE]		at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

[17:06:24] [sEVERE]		at java.util.concurrent.FutureTask.run(Unknown Source)

[17:06:24] [sEVERE]		at javax.swing.SwingWorker.run(Unknown Source)

[17:06:24] [sEVERE]		at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

[17:06:24] [sEVERE]		at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

[17:06:24] [sEVERE]		at java.lang.Thread.run(Unknown Source)