Suggest to remove 5 year old TASKCACHE

I received a false positive from Malwarebytes and I was surprised that these 5 year old file updates are still on my computer, I would think that ccleaner would have deleted obsolete files and registry entries. I uninstalled AVG over 12 months ago, so these do not apply to my system anymore.

Trojan.Agent.Generic, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TREE\AVG-Secure-Search-Update_JUNE2013_TB_rmv, No Action By User, [3706], [597948],1.0.7833

Trojan.Agent.Generic, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\TASKS\{03BB80E3-8B23-4D8B-9E77-79E4D430A4B2}, No Action By User, [3706], [597948],1.0.7833


Trojan.Agent.Generic, HKLM\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\SCHEDULE\TASKCACHE\LOGON\{03BB80E3-8B23-4D8B-9E77-79E4D430A4B2}, No Action By User, [3706], [597948],1.0.7833

Trojan.Agent.Generic, C:\WINDOWS\TASKS\AVG-Secure-Search-Update_JUNE2013_TB_rmv.job, No Action By User, [3706], [597948],1.0.7833


Trojan.Agent.Generic, C:\WINDOWS\SYSTEM32\TASKS\AVG-Secure-Search-Update_JUNE2013_TB_rmv, No Action By User, [3706], [597948],1.0.7833