There are many services on Windows 7 that do not need to run, while some suggest disabling the service I tend to go on the side of caution and simply stop and set them to manual startup.
# Stop Services and set to Manual # Home Group Sharing - start Stop-Service HomeGroupProvider Set-Service HomeGroupProvider -startuptype "manual" Stop-Service HomeGroupListener Set-Service HomeGroupListener -startuptype "manual" Stop-Service SSDPSRV Set-Service SSDPSRV -startuptype "manual" # Specifically Windows Media Player Network Sharing Services Stop-Service WMPNetworkSvc Set-Service WMPNetworkSvc -startuptype "manual" # Home Group Sharing - stop #Windows Themes Stop-Service Themes Set-Service Themes -startuptype "manual" #Desktop Windows Manager Session Manager Stop-Service UxSms Set-Service UxSms -startuptype "manual" #Application Experience Stop-Service AeLookupSvc Set-Service AeLookupSvc -startuptype "manual" #Block Level Backup Engine Service Stop-Service wbengine Set-Service wbengine -startuptype "manual" #Certificate Propagation Stop-Service CertPropSvc Set-Service CertPropSvc -startuptype "manual" #IP Helper Stop-Service iphlpsvc Set-Service iphlpsvc -startuptype "manual" #Portable Device Enumerator Service Stop-Service WPDBusEnum Set-Service WPDBusEnum -startuptype "manual" #Distributed Link Tracking Client Stop-Service TrkWks Set-Service TrkWks -startuptype "manual" #Protected Storage Stop-Service ProtectedStorage Set-Service ProtectedStorage -startuptype "manual" #Portable Device Enumerator Service Stop-Service WPDBusEnum Set-Service WPDBusEnum -startuptype "manual" #Secondary Logon Stop-Service seclogon Set-Service seclogon -startuptype "manual" #Software Protection Stop-Service sppsvc Set-Service sppsvc -startuptype "manual" #Server #Stop-Service LanmanServer #Set-Service LanmanServer -startuptype "manual" #Tablet PC Input Service Stop-Service TabletInputService Set-Service TabletInputService -startuptype "manual" #TCP/IP NetBIOS Helper Stop-Service lmhosts Set-Service lmhosts -startuptype "manual" #Windows Media Center Receiver Service Stop-Service ehRecvr Set-Service ehRecvr -startuptype "manual" #Windows Media Center Scheduler Service Stop-Service ehSched Set-Service ehSched -startuptype "manual" #Windows Search #Stop-Service WSearch #Remote Registry Stop-Service RemoteRegistry Set-Service RemoteRegistry -startuptype "manual" #Windows Time Stop-Service W32Time Set-Service W32Time -startuptype "manual" #Windows Security Center #Stop-Service wscsvc #Windows Search #Stop-Service WSearch