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PC-Doctor, Inc.
Private Corporation
Industry PC Diagnostic Software
Founded 1993
Headquarters Reno, Nevada, United States
Key people
Aki Korhonen, CEO and Founder
Percy Yang, Chief Financial Officer
Website www.pc-doctor.com

PC-Doctor, Inc. is a privately held corporation headquartered in Reno, Nevada. The company develops and produces diagnostic programs for use by PC manufacturers, component vendors, PC repair professionals, support organizations, and end users. The software is available in 23 languages for Windows, Windows PE, many variations of Linux, BSD Unix, and DOS[citation needed]. Some products are embedded and are operating system-independent.

The company focuses heavily on research and development, with more than three-quarters of the company's staff employed in software development, quality assurance, and technical customer-facing roles[citation needed]. PC-Doctor has a library of intellectual property, including multiple patents (see Code reuse).


The company was founded in 1993 as Watergate Software, Inc. in Emeryville, California. The company became PC-Doctor, Inc. in early 2000 and moved its headquarters to Reno, Nevada in late 2003.[1]


  • 2005 PCDIY Magazine "Best Products" Award[2]

Issued patents[edit]

  • 6,742,148 – System and method for testing memory while an operating system is active[3]
  • 6,792,562 – Format for extensible error and event codes[4]
  • 6,829,726 – Method and system for testing a universal serial bus within a computing device[5]
  • 7,036,129 – Diagnostic system integrated with device drivers of an operating system[6]
  • 7,139,954 – Method and apparatus for testing a computing device with memory using test program code[7]
  • 7,155,645 – System and method for testing memory while an operating system is active[8]
  • 7,356,744 – Method and system for optimizing testing of memory stores[9]