You can use WinZip or WinRAR to extract the files. Files with the asterisk also require a password.
Unable extracting zip file it must be archive corruption if it's right I would recommend you following program
To add a notepad (.txt) file to a .zip archive format, you need a certain program. I recommend using WinRAR 3.71 (rarlab.com/download.htm). Once installed, create the notepad file, and then right click on it and select "Add to Archive." You should then be able to create a .zip format archive with a notepad file inside.
A RAR file is a compressed archive file, similar to a ZIP file. So, you need software that will unpack or decompress the files. Search the Internet for 7Zip. That's a program that will open numerous types of compressed archive including ZIP and RAR. It's free, too.
The size of a ZIP archive, as well as the size of any single file within a ZIP archive, is limited to 2 GB.
The ZIP file type is primarily associated with 'Compressed Archive File'. A .ZIP file is a compressed archive. It can contain only one file or many files in multiple directories. ZIP utilities allow you to extract single files or a complete directory structure. The ZIP file format is a common archive and compression standard. This module provides tools to create, read, write, append, and list a ZIP file. Any advanced use of this module will require an understanding of the format, as defined in PKZIP Application Note. here you can find more information on this subject http://how-to-zip-a-file.com/#about
If your dragging the file on top of the jar then thats because the jar is a file and not a folder. If you drag a file on top of another file your say that you want to run file B with file A. Get a zip Archive software like 7zip (google it) If your using a archive software and this is still happening the only think i can think to tell you is open the archive.
Typically a gz file extension is an ARCHIVE. That means it might have ONE file in it or MANY files in one file that is COMPRESSED. You have to decompress the file (or de-archive it) and then you can open the file or files and do whatever you need to...then you can RE-archive the file. There are many archive file formats. ZIP...RAR...GZ. GZ is typically used on Unix/Linux systems.
By creating a ZIP archive from them with a password. That is - by making logical from physical...
ZIP is a file format commonly used to archive more then one file into one file and compress them. I recommend using WinRAR 3.71 to open files with formats such as: .zip, .rar, etc. It can be downloaded here: http://www.rarlab.com/download.htm. Simply click on the first option if you have a Windows computer.
A .pcv file is a compressed archive created with the MozBackup program. It is actually a renamed .zip file, so if you edit the file's name and replace ".pcv" with ".zip", you should be able to access the files.
ArchView can open archive file online without downloading the whole archive. Just like normal web pages. It is very fast since it merely fetches a small portion of the archive file from server. ArchView supports RAR, ZIP formats and ISO CD image; HTTP, FTP and file: protocols. And it can present XUL or HTML interface.
You need to download an archive manager. It is a file manager that can open and manage files that your operating system can not. The most common ones are 7-zip and WinRAR Archive. In the mod community these are the only archive managers used to download mods.