QuickPCOptimizer - Version 2.3.0 QuickPCOptimizer (qPCo) is an advanced PC analyzer, cleaner and optimizer. Its highly efficient scanning technology digs deep down to detect redundant and damaged entries in the registry that slows down your PC and inhibits system performance. By using qPCo, your system is maintained in tip-top shape, enabling you to keep your PC running like it did the first day you bought it.