Minecraft Forums

Sooooo I think I made a large noob mistake. I may have deleted a file. Not sure which one though. Please see as follows:
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Bootstrap (v5)
Current time is Nov 20, 2013 4:08:39 AM
System.getProperty('os.name') == 'Windows 7'
System.getProperty('os.version') == '6.1'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_09'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '64'

Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Got reply in: 502ms
No update found.
Reversing LZMA on C:\Users\Allan\AppData\Roaming\.minecraft\launcher.pack.lzma to C:\Users\Allan\AppData\Roaming\.minecraft\launcher.pack
Unpacking C:\Users\Allan\AppData\Roaming\.minecraft\launcher.pack to C:\Users\Allan\AppData\Roaming\.minecraft\launcher.jar
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to un-pack200: java.io.FileNotFoundException: C:\Users\Allan\AppData\Roaming\.minecraft\launcher.jar (Access is denied)
at net.minecraft.bootstrap.Bootstrap.unpack(Bootstrap.java:159)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:123)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)


Please fix the error and restart.
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Please help me! lol I am not even sure what it means... at all.

Quote from cosmicthing2

Backup any saves/mods/settings you want and then delete the entire .minecraft folder.

It should recreate everything next time you play minecraft.

Perfect, thank you all so much!