Over the past 2 weeks I have been unable to get onto minecraft. When I open my launcher this comes up;
Bootstrap started
Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Didn't find an update in time.
Reversing LZMA on C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack.lzma to C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to un-lzma: java.io.FileNotFoundException: C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack (Access is denied)
at net.minecraft.bootstrap.Bootstrap.unpack(Bootstrap.java:134)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:111)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:367)
Please fix the error and restart.
Got reply in: 2463ms
No update found.
Bootstrap started
Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Didn't find an update in time.
Reversing LZMA on C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack.lzma to C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to un-lzma: java.io.FileNotFoundException: C:\Users\118215\AppData\Roaming\.minecraft\launcher.pack (Access is denied)
at net.minecraft.bootstrap.Bootstrap.unpack(Bootstrap.java:134)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:111)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:367)
Please fix the error and restart.
Got reply in: 2463ms
No update found.
Please help me fix this problem!
I am on a school laptop and I am blocked to a lot of things, but my IT dep. can install minor things if it is required. What is your suggestion.