When I open Windows 7 Task Scheduler this is the errors that I get.

Task Image is Corrupt or Has Been Tampered With.

It Happens wilth all these tasks.

Task Proxy:
Task Scheduled Defrag:
Task Microsoft-Windows-DiskDiagnosticResolver:
Task Microsoft-Windows-DiskDiagnosticDataCollector
Task WinSat:
Task UpdateRecordPath:
Task SqlLiteRecoveryTask:
Task ReindexSearchRoot:
Task RegisterSearch:
Task RecordingRestart:
Task PvrSchedule Task:
Task PvrRecovery Task:
Task PeriodicScanRetry:
Task PBDADisoveryW2:
Task PBDADisoveryW1:
Task PBDADisovery:
Task OcurDiscovery:
Task OcurActivate:
Task ObjectStoreRecovery Task:
Task MediaCenterRecovery Task:
Task mcupdate:
Task InstallPlayReady:
Task ehDRMInit:
Task DispatchRecover Tasks:
Task ConfigureInternetTimeService:
Task ActivateWindowsSearch:
Task HotStart:
Task Logon Synchronization:
Task Background Synchyronization:
Task SystemDataProviders:
Task SessionAgent:
Task GadgetManager:
Task AutoWake:
Task ValidationTaskDeadLine:
Task ValidationTask:
Task Config Notification:

Been there on your answer. It's looks like there's more going on here. Look at the amount of errors. I'm looking fot the Task Proxy but can't seem to find it. Any Help.