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My laptop won't load OptiFine 1.6.4. I'm not sure what else to put in so here's the development console trying to open it:

[22:30:36 INFO]: Client> 20/04/2014 10:30:36 PM net.minecraft.launchwrapper.LogWrapper log
[22:30:36 INFO]: Client> INFO: Loading tweak class name optifine.OptiFineTweaker
[22:30:36 INFO]: Client> 20/04/2014 10:30:36 PM net.minecraft.launchwrapper.LogWrapper log
[22:30:36 INFO]: Client> INFO: Using primary tweak class name optifine.OptiFineTweaker
[22:30:36 INFO]: Client> 20/04/2014 10:30:36 PM net.minecraft.launchwrapper.LogWrapper log
[22:30:36 INFO]: Client> INFO: Calling tweak class optifine.OptiFineTweaker
[22:30:36 INFO]: Client> OptiFineTweaker: acceptOptions
[22:30:36 INFO]: Client> OptiFineTweaker: injectIntoClassLoader skipped, OptiFine is loaded as a library
[22:30:36 INFO]: Client> OptiFineTweaker: getLaunchArguments
[22:30:36 INFO]: Client> OptiFineTweaker: getLaunchTarget
[22:30:36 INFO]: Client> 20/04/2014 10:30:36 PM net.minecraft.launchwrapper.LogWrapper log
[22:30:36 INFO]: Client> SEVERE: Unable to launch
[22:30:36 INFO]: Client> java.lang.ClassNotFoundException: net.minecraft.client.main.Main
[22:30:36 INFO]: Client> at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
[22:30:36 INFO]: Client> at java.lang.ClassLoader.loadClass(Unknown Source)
[22:30:36 INFO]: Client> at java.lang.ClassLoader.loadClass(Unknown Source)
[22:30:36 INFO]: Client> at java.lang.Class.forName0(Native Method)
[22:30:36 INFO]: Client> at java.lang.Class.forName(Unknown Source)
[22:30:36 INFO]: Client> at net.minecraft.launchwrapper.Launch.launch(Launch.java:127)
[22:30:36 INFO]: Client> at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
[22:30:36 INFO]: Client> Caused by: java.lang.NullPointerException
[22:30:36 INFO]: Client> at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:171)
[22:30:36 INFO]: Client> ... 6 more
[22:30:36 INFO]: Game ended with no troubles detected (exit code 0)
[22:30:36 INFO]: Deleting C:\Users\Alexander Ellwood\AppData\Roaming\.minecraft\versions\1.6.4-OptiFine_HD_C6\1.6.4-OptiFine_HD_C6-natives-31939626748001

God I think I"m getting the same thing. This is what I get:

Aug 03, 2014 1:51:49 AM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name optifine.OptiFineTweaker
Aug 03, 2014 1:51:49 AM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name optifine.OptiFineTweaker
Aug 03, 2014 1:51:49 AM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class optifine.OptiFineTweaker
OptiFineTweaker: acceptOptions
OptiFineTweaker: injectIntoClassLoader skipped, OptiFine is loaded as a library
OptiFineTweaker: getLaunchArguments
OptiFineTweaker: getLaunchTarget
Aug 03, 2014 1:51:49 AM net.minecraft.launchwrapper.LogWrapper log
SEVERE: Unable to launch
java.lang.ClassNotFoundException: net.minecraft.client.main.Main
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:179)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:127)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:171)
... 6 more

Tell me if you ever found out how to fix it D: