Different and more thorough batch file to run before a game:
net stop Alerter
net stop wuauserv
net stop AVGServ
net stop ClipSrv
net stop SENS
net stop EventSystem
net stop Browser
net stop CryptSvc
net stop helpsvc
net stop cisvc
net stop PolicyAgent
net stop ip6FwHlp
net stop dmserver
net stop messenger
net stop netlogon
net stop openVPNservice
net stop RDSessMgr
net stop RemoteRegistry
net stop lanmanserver
net stop srservice
net stop schedule
net stop TermService
net stop Workstation
net stop "AVSync Manager"
net stop "Automatic Updates"
net stop "Computer Browser"
net stop "Cryptographic Services"
net stop "Distributed Link Tracking Client"
net stop "Help and Support"
net stop "Logical Disk Manager"
net stop "Messenger"
net stop "Print Spooler"
net stop "Protected Storage" net stop "Server"
net stop "Shell Hardware Detection"
net stop "System Event Notification"
net stop "System Restore Service"
net stop "Task Scheduler"
net stop "TCP/IP NetBIOS Helper"
net stop "Upload Manager"
net stop "WebClient"
net stop "Windows Image Acquisition (WIA)"
net stop "Windows Management Instrumentation"
net stop "Windows Time"
net stop "Workstation"
net stop "System Event Notification" net stop "COM+ Event System"
net stop "Network Location Awareness (NLA)"
net stop "Remote Access Auto Connection Manager"
net stop "SSDP Discovery Service"
taskkill /IM firefox.exe
taskkill /IM ipoint
taskkill /IM ERtray
taskkill /IM EPMWOR~1
taskkill /IM dbgout
taskkill /IM usrbridg
taskkill /IM ctfmon
taskkill /IM Alogserv
taskkill /IM RuLaunch
taskkill /IM devldr32
taskkill /IM ipoint
pskill ERtray
pskill EPMWOR~1
pskill dbgout
pskill usrbridg
pskill ctfmon
pskill Alogserv
pskill RuLaunch
pskill devldr32
pskill ipoint
It triggers pskill and taskkill, depending if you have home or media or pro.