Some installation files are corrupt Please download a fresh

please download a fresh copy and retry the install ation Some needde files were corrupted during the installation.Ple 4s越狱cydia总出some index files failed to download,they have bee Please push the window______to let in some fresh air.A.open itnes cannot run because some its required files are missing iTunes cannot because some of its required files are missing Update failed. Please download and run a new install padkage please copy it on some paper for further use of installation Installation package is not found-click on download link abo 英语翻译failed to download or extract all required update files 英语翻译are you overwriting system files from a different versio 英语翻译the download tab allows you to download files and import