The company had previously developed and distributed security and optimization software for the Mac OS X and Microsoft Windows platforms.

By 29 November 2006 software owned by PC Tools had been downloaded over 125 million times.

PC Tools iAntiVirus is free antivirus software for Intel based Apple Macintosh computers running Mac OS 10.5 (Leopard) and Mac OS 10.6 (Snow Leopard) initially released in June 2008, used to detect and remove malware, spyware and malicious exploits, using both signature-based and heuristic detection.

Spyware Doctor detects malware based on indicators of compromise using its spider technology.

[25] Former employees noticed an increasing number of malware, spyware and other threats targeting macOS and Apple devices.

Not all reviews have been positive and early versions of Spyware Doctor 5.0, which the company rewrote from scratch, received some negative commentary.

[36] Symantec was unsuccessfully sued by a Washington resident for running fake scans to get people to pay for subscriptions to PC Tools's Registry Mechanic, Performance Toolkit, and Norton Utilities[37] The lawsuit claims the company intentionally ran the fake scans and the results were not real.