Conflict Catcher 3 (1994) Macintosh System Utility w/ Serial 3.5” Floppy Disk

Solve your classic Mac startup battles with Conflict Catcher 3 — the legendary extension manager that kept early Macs running smooth and stable.

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Collector Notes:

Conflict Catcher was a must-have utility for System 7 and Mac OS 8 users, allowing them to diagnose and fix software conflicts caused by overlapping extensions and control panels. Version 3, released in 1994 by Casady & Greene, became a cult classic among Apple power users and collectors of Mac shareware. This disk still includes its original serial number label intact — a rare find for vintage software preservationists.

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Item Specifics:

• Brand: Casady & Greene, Inc.
• Software Type: System Utility / Extension Manager
• Product Name: Conflict Catcher 3
• Version: 3.0
• Disk Format: 3.5” Floppy Disk (1.44MB)
• Platform: Macintosh (System 7–8)
• Year: 1994
• License Type: Single-user licensed (serial number included on disk)
• Country/Region of Manufacture: USA
• Condition: Excellent; label intact with original serial number & Installation Notes
  • Intended for collectors, archivists, and vintage hobbyists.
  • Media visually inspected only; not tested. Sold as an original physical item, not as a license or a copy service.
  • No product keys, serials, or entitlement included unless specifically shown in photos.
  • For period-correct hardware/OS only. Please confirm your system supports the media type and version shown on the label.
  • Installation, drivers, and utilities are provided as-is by the original manufacturer; availability of support or updates is not guaranteed.
  • To preserve vintage media, consider making a working backup or disk image before use.
  • Returns are accepted per our policy for item condition only; compatibility with modern systems is the buyer’s responsibility.
  • Fully compliant with rules — genuine original discs only, no copies or downloads.

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  🧾 Authenticity & Origin:

  • Details verified from original item and/or documentation.
  • From the private estate of a retired Princeton-educated IBM (and later, Macintosh) developer and early network security pioneer, based in Woodstock, Vermont.
  • All software was cataloged and meticulously preserved. No beat up, loose flap, dusty floppy’s or scratched discs here, friends. Quality guaranteed!

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