Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Cydia Servers Struggling From Aftermath Of Evasi0n Jailbreak
Well I think that was one of the best Jailbreak releases we have seen for a long time with no bugs and also hundreds of thousand downloads with in the first hour but it seems the great response is not going down well on Cydia’s servers.
We can confirm that the errors you are getting when trying to install packages such as Winterboard are only because of the Cydia servers struggling to handle the load and no fault of the Evasi0n Jailbreak.
If you have any problems please be sure to let us know via the comments below or email us Tips@MacReviews.com