1. Delete "PTE" folder, "PTE Patch.exe", "DevComponents.DotNetBar2.dll" & "DevComponents.DotNetBar2.xml" file from your "PES 2017 installation folder"
2. Delete "DpFileList.bin" and all PTE .cpk files from your "PES 2017 installation folder/download" folder.
dove le trovo sul pc PES 2017...