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Please help me understand this.

1. If you use Kickstart to extract the archive downloaded through Dropbox does it work?

2. If you download the backup archive with FTP does it work with eXtract Wizard?

When you say "it extracts just some files and folders" what do you mean? Which folders are missing? I need this information to read your log effectively.

Can you please uncheck (clear the checkbox so that it is no longer checked) the option "Process each part immediately" and retry?

I can't see a problem in the backup process. What is the exact error message you are receiving from Kickstart and Akeeba eXtract Wizard?

Wait, what?! In the beginning of the ticket you were telling us about an "Invalid archive format". What you are describing now is an entirely different issue. In fact, it is an issue that is not only unrelated to our software, its solution is documented by yours truly about three years ago: https://www.akeebabackup.com/documentation/troubleshooter/kscantextract.html#kstslocal Read the paragraph starting with "If you are on a Windows XP Professional, Vista (all versions) or 7 (all versions) machine". As a result there is nothing for me to check (unless you live somewhere near Athens, Greece, in which case I can check your computer's permissions – following the same steps as the ones in the documentation page above).

The problem is that Kickstart and eXtract Wizard can't extract the file in XAMPP's directory. The only reasons I know are a. permissions (see the guide) and b. lack of disk space. One easy way to find out if there are permissions issues is using Akeeba eXtract Wizard (NOT Kickstart!) to extract the backup archive in your desktop (NOT XAMPP's folder). Does this work? If not, what is the exact error message you are receiving (if possible upload a screenshot)?

And finally I understand what is going on. Sorry, your archive cannot be extracted on Windows because of the file names on your server. Stay with me, I will try explaining this (it's VERY complicated).

First some background information.

Linux and other UNIX-like operating systems such as Mac OS X, Solaris etc use case-sensitive filesystems. This means that the filenames ABC, abc, Abc and aBc point to four different files.

Windows is, just like in everything else, an exception: its filesystem is case-insensitive. This means that the filenames ABC, abc, Abc and aBc point to the one and the same file.

Files and directories names have to live under the same filesystem. This means that you cannot have a file and a directory with the same filename. On Linux, since the filesystem is case-sensitive, you can have a file called Abc and a directory called abc. On Windows this would be impossible, as both names would have to point to the same thing.

Now, back to your site. Let's see these interesting log lines:

DEBUG   |131012 00:01:10|-- Adding images/eventi-videoludici/Games-week to archive (source: <root>/images/eventi-videoludici/Games-week)
INFO    |131012 00:01:24|Scanning directories of <root>/images/eventi-videoludici/games-week
INFO    |131012 00:01:24|Scanning files of <root>/images/eventi-videoludici/games-week
DEBUG   |131012 00:01:24|Packing files
DEBUG   |131012 00:01:24|-- Adding images/eventi-videoludici/games-week/games-week.jpg to archive (source: <root>/images/eventi-videoludici/games-week/games-week.jpg)

And let me explain what I read in them. Inside the folder images/eventi-videoludici/:

• There is a FILE called Games-week (first letter is uppercase)
• There is a DIRECTORY called games-week (all lowercase)
• Inside the games-week directory there is a FILE called games-week.jpg

During extraction we first extract the FILE Games-week. Immediately afterwards we try to extract the games-week.jpg file which is inside a directory called games-week. So we have to create the DIRECTORY called games-week first. As soon as we try to create the directory Windows tells us that this is impossible. It tells us that this is impossible because Windows sees that there is a file with the same name. However the error it produces is exactly the same as if your disk was full or if your write permissions would not allow the file to be written. That's why you get the error message that the file is unwriteable when, in fact, the real problem is that it's impossible to create this directory on Windows.

BUMMER!

The solution is to go to Akeeba Backup, Files and Directories Exclusion, go inside the images directory (from the left pane), then go inside the eventi-videoludici directory (from the left pane) and exclude the Games-week file (from the RIGHT pane, not from the left pane). This will tell Akeeba Backup to not backup the file which causes this issue.

I cannot guarantee that you do not have any other similar naming issues on your site. Spotting this one took me half an hour and I knew what I was looking for.

Um, it's exactly the same problem as before, for the reasons I already explained...

You're welcome! I'm glad we could solve that very tricky issue :)