Computer monitoring service which tracks application software performance, performs periodic maintenance and provides reports and alerts concerning such performance; Computer services, namely, cloud hosting provider services; Computer services, namely, computer system administration for others; Computer services, namely, filtering of unwanted e-mails; Computer services, namely, integration of private and public cloud computing environments; Computer services, namely, on-line scanning, detecting, quarantining and eliminating of viruses, worms, trojans, spyware, adware, malware and unauthorized data and programs on computers and electronic devices; Computer services, namely, remote and on-site management of the information technology (IT) systems of others; Hosting the software, websites and other computer applications of others on a virtual private server; Providing virtual computer systems and virtual computer environments through cloud computing