I open minecraft and click play.
this is what it says
Gave up trying to download https://s3.amazonaws.com/....Final.jar for job 'Version & Libraries'
Finished downloading C:\Users\home\minecraft\versions\1.7.4\1… For job 'Version & Libraries': Downloaded successfully and etag matched
Job 'Version & Libraries' finished with 26 failure(s)!
any help?