Help with Obsidian Client error

Hey everyone. I recently followed the instructions to install Obsidian which I placed in my versions folder along with the file associated with it. I tried to path it but i may have done it incorrectly but this is the error im receivin.

Launching game
Looking for old natives to clean up...
Unpacking natives to C:\Users\Bobby\AppData\Roaming\.minecraft\versions \Obsidian\Obsidian-natives-25917542215262
Launching in C:\Users\Bobby\AppData\Roaming\.minecraft
Running C:\users\Bobby\AppData\Roaming\.minecraft\versions \Obsidian -XX:HeapDumpPath=MojangTricksIntelDriversForPerform ance_javaw.exe_minecraft.exe.heapdump -Xmx512M -Djava.library.path=C:\Users\Bobby\AppData\Roaming\ .minecraft\versions\Obsidian\Obsidian-natives-25917542215262 -cp C:\Users\Bobby\AppData\Roaming\.minecraft\librarie s\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Bobby\AppData\Roaming\.minecraft\ libraries\com\paulscode\codecjorbis\20101023\codec jorbis-20101023.jar;C:\Users\Bobby\AppData\Roaming\.minec raft\libraries\com\paulscode\codecwav\20101023\cod ecwav-20101023.jar;C:\Users\Bobby\AppData\Roaming\.minec raft\libraries\com\paulscode\libraryjavasound\2010 1123\libraryjavasound-20101123.jar;C:\Users\Bobby\AppData\Roaming\.minec raft\libraries\com\paulscode\librarylwjglopenal\20 100824\librarylwjglopenal-20100824.jar;C:\Users\Bobby\AppData\Roaming\.minec raft\libraries\com\paulscode\soundsystem\20120107\ soundsystem-20120107.jar;C:\Users\Bobby\AppData\Roaming\.minec raft\libraries\argo\argo\2.25_fixed\argo-2.25_fixed.jar;C:\Users\Bobby\AppData\Roaming\.min ecraft\libraries\org\bouncycastle\bcprov-jdk15on\1.47\bcprov-jdk15on-1.47.jar;C:\Users\Bobby\AppData\Roaming\.minecraft \libraries\com\google\guava\guava\14.0\guava-14.0.jar;C:\Users\Bobby\AppData\Roaming\.minecraft \libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Bobby\AppData\Roaming\.minecraft\ libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Bobby\AppData\Roaming\.minecraft\ libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Bobby\AppData\Roaming\.minecraf t\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Bobby\AppData\Roaming\.minecraf t\libraries\com\google\code\gson\gson\2.2.2\gson-2.2.2.jar;C:\Users\Bobby\AppData\Roaming\.minecraf t\libraries\org\lwjgl\lwjgl\lwjgl\2.9.0\lwjgl-2.9.0.jar;C:\Users\Bobby\AppData\Roaming\.minecraf t\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.0\lwjgl _util-2.9.0.jar;C:\Users\Bobby\AppData\Roaming\.minecraf t\versions\Obsidian\Obsidian.jar net.minecraft.client.main.Main --username CaladusX --session token:0e1c0566d3de40919bd1a2ca719fa901:06464803345 645b685e3877615ddd533 --version Obsidian --gameDir C:\Users\Bobby\AppData\Roaming\.minecraft --assetsDir C:\Users\Bobby\AppData\Roaming\.minecraft\assets
Couldn't launch game
java********Exception: Cannot run program "C:\users\Bobby\AppData\Roaming\.minecraft\version s\Obsidian" (in directory "C:\Users\Bobby\AppData\Roaming\.minecraft"): CreateProcess error=5, Access is denied
at java.lang.ProcessBuilder.start(Unknown Source)
at net.minecraft.launcher.process.JavaProcessLauncher .start(JavaProcessLauncher.java:25)
at net.minecraft.launcher.GameLauncher.launchGame(Gam eLauncher.java:291)
at net.minecraft.launcher.GameLauncher.onDownloadJobF inished(GameLauncher.java:512)
at net.minecraft.launcher.updater.download.DownloadJo b.popAndDownload(DownloadJob.java:112)
at net.minecraft.launcher.updater.download.DownloadJo b.access$000(DownloadJob.java:10)
at net.minecraft.launcher.updater.download.DownloadJo b$1.run(DownloadJob.java:84)
at java.util.concurrent.Executors$RunnableAdapter.cal l(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unkn own Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker( Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run (Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java********Exception: CreateProcess error=5, Access is denied
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(Unknown Source)
at java.lang.ProcessImpl.start(Unknown Source)
... 13 more

Deleting C:\Users\Bobby\AppData\Roaming\.minecraft\versions \Obsidian\Obsidian-natives-25917542215262