EntityQ10324766· pop 5· linked from 11 articlescomputer maintenanceSign in to savepractice of keeping computers in a good state of repairConnectionsoperating systemEntitycomputer mouseEntitycomputer keyboardEntitycomputer monitorEntitydustEntitycomputer securityEntityantivirus softwareEntitysoftware bugEntitybackupEntityAvast AntivirusEntitypatchEntityMcAfee, LLCEntitytrackballEntityWindows RegistryEntityDigital Millennium Copyright ActEntitydefragmentationEntityKaspersky Anti-VirusEntitycleaning productEntitydebrisEntityDisk CleanupEntityCategoriesComputersMaintenance