================ Forge ModLoader Setup Start ===================
MCP Detected already, not downloading
Setting up MCP
Restoring commands.py backup
patching file commands.py
Commands patch applied successfully
Copying FML conf
Creating re-packaged srg
Creating re-packaged exc
Creating re-packaged MCP patch
File Exists: lwjgl.jar
File Exists: lwjgl_util.jar
File Exists: jinput.jar
File Exists: windows_natives.jar
Traceback (most recent call last):
File "install.py", line 47, in <module>
main(os.path.abspath('..'))
File "install.py", line 19, in main
setup_fml(fml_dir, mcp_dir)
File "L:\mcp\forge\fml\fml.py", line 311, in setup_fml
pre_decompile(mcp_dir, fml_dir)
File "L:\mcp\forge\fml\fml.py", line 142, in pre_decompile
download_minecraft(mcp_dir, fml_dir)
File "L:\mcp\forge\fml\fml.py", line 109, in download_minecraft
failed = not download_native(default['base_url'], os.path.join(bin_folder, '
natives'), native) or failed
File "L:\mcp\forge\fml\fml.py", line 74, in download_native
zip = ZipFile(target)
File "zipfile.pyc", line 714, in __init__
File "zipfile.pyc", line 748, in _GetContents
File "zipfile.pyc", line 763, in _RealGetContents
zipfile.BadZipfile: File is not a zip file
Press any key to continue . . .
what happen? and how to fix this?