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Who is eligible to purchase this product?
 Students from any U.S. accredited colleges and universities
Faculty, Staff from any U.S. accredited colleges and universities
Schools
 Non-Academic (General Public)
You MUST provide proof of your academic status BEFORE we can ship the product. Simply submitting your Student ID number alone is not considered proof of enrollment.
The following ids/methods are acceptable:
A clear copy of your Dated Faculty ID Card
A clear copy of your Dated Student ID Card
A clear copy of your Current class schedule
Recent faculty/staff payment slip
Dated letter from school on school letterhead.
Please email or fax your proof of eligibility along with your order number to:(415) 338-1450 or proofs@sfsubookstore.com, Attention: Software Department
The Essential Mac Disk Utility
Everything just disappeared after your Mac went haywire. All your work documents. The music you most enjoy. The movie of your kid's first steps. It's your life and it's gone. Don't panic! DiskWarrior will find your documents, photos, music and any other files when disaster strikes and things go missing.
Perhaps you've tried to open a document and all that happens is a color wheel that spins and spins and spins… Or when your Mac starts up, all you get is a blinking question mark… Or you were in the middle of editing a movie and now your external hard disk isn't on the desktop… Or your MP3s won't play... Or every time you look through your photos, your Mac crashes. DiskWarrior gets you back up and running fast!
DiskWarrior Repairs Disks No Other Utility Program Can Repair
DiskWarrior can find your missing documents and files.
Using a patent-pending, award-winning method of rebuilding directories.
Just one click finds everything that's missing or broken.
With a single click, DiskWarrior finds all salvageable files and folders and builds a new error-free, optimized directory for you to use.
You can easily check if your missing documents and items have been recovered.
DiskWarrior's preview feature lets you see how your disk will appear after it is repaired, but before any changes are made. You can even compare your disk in its damaged state to its repaired state.
DiskWarrior is incredibly safe to use.
DiskWarrior verifies your repaired directory to ensure it is error free. It then uses a
fail-safe method of replacing the damaged directory to ensure that interruptions such as power outages won't harm your data.
New Features in DiskWarrior 4
• Universal Binary
• Significantly faster than previous versions
• Repairs invalid file permissions
• Includes an additional suite of file and folder tests, to find problems before they cause you trouble
• Identifies corrupted Preference (.plist) files
• Recovers more data from drives with hardware malfunctions
• Detects and repairs more disk problems than ever
• Repairs and rebuilds FileVaults
• Fully supports case-sensitive file names
• Repairs and rebuilds Attribute B-trees
• Repairs Access Control Lists (ACLs)
• Plus a lot more!
Why Choose DiskWarrior?
DiskWarrior is a utility program designed from the ground up with a totally different approach to preventing and resolving directory damage which is the leading cause of Mac instability.
DiskWarrior resolves existing disk damage by rebuilding your disk directory using data recovered from the original directory, thereby recovering files and folders that you thought were lost. The directories DiskWarrior creates are also optimized for maximum directory performance.
DiskWarrior is not a disk repair program in the conventional sense. It does not attempt to solve all of the possible problems that can occur with a disk. It specializes in eliminating directory errors - the most common problems Mac OS users have with their disks.
DiskWarrior rebuilds your disk directories making them error-free, eliminating any problems the errors would have caused, and recovering lost files.
It fixes any problem with master directory blocks and alternate master directory blocks (HFS), volume headers and alternate volume headers (HFS Plus), volume bitmaps, catalog trees, and extents trees.
This approach has a significant advantage that the others overlook. Other products attempt to repair your directory one step at a time, ignoring the big picture of what is truly wrong with your directory, and risking file information that could be saved. Too often, they will incorrectly begin to "repair" your directory, and then give up when they realize that they have modified the directory to an irreparable state. At Alsoft, we know that the most important thing when you are attempting to repair your disks is getting your data back. That's why the first thing DiskWarrior checks is your directory data, and that's what it uses to create a replacement directory. DiskWarrior continues its rebuild operations unless no directory data can be found.
Directory damage isn't the only threat to your data. A physical hardware malfunction can cause intermittent loss of access to any data on the drive. If the malfunction is serious enough, the only way to retrieve the data on the drive is through an expensive data recovery service. DiskWarrior can be configured to automatically check drives for possible drive malfunction, giving you the chance to back up your data before a drive completely fails. The hardware monitoring can also be run manually if you suspect a drive malfunction.
Alsoft has been making disk utilities for the Mac over 20 years. Our disk optimization utilities have always chosen the safety and security of your data over anything else, and have been able to detect and report directory errors no other program can (the others obviously couldn't fix the problems they couldn't even find). That knowledge has been put into DiskWarrior to give you the only tool that can eliminate all directory problems and recover lost files and folders! And, as an added bonus, the directory DiskWarrior creates is optimized for maximum speed when accessing your files!
System Requirements
* G3 Mac or better (such as a G4, G5 or any Intel processor)
* At least Mac OS X 10.2.1
* Built-in FireWire
* Minimum 256 MB RAM (512 MB recommended)
* Minimum 384MB HardDisk space for installation
* CD ROM
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