[Plexcon]

Your zip is corrupt. You could try and repair it with winrar:

Step 1: Run WinRAR program and browse to the drive or folder where your corrupt RAR file is present
Step 2: Select the RAR file and click on “Repair” button from the tool bar
Step 3: A window pops-up choose, “Treat corrupt archive as RAR” option
Step 4: In case if you get a “Suspicious Entry” popping up, then select All, you may encounter this message several times while the repair process
Step 5: After completion of the repair process, click on close
Step 6: To extract your files, select your new rebuilt archive
Step 7: Next, choose commands->Extract without confirmation, the files start to get extracted