[Solved] computer completely locks up

every day, at least once a day, the computer will completely lock up...no mouse movement, no Ctrl-Alt-Del, i can't even turn the caps lock on or off...it's frozen...i have to turn it completely off and start back up...it then works until the next lockup (which is random)...here are the error codes coming up in the computer management event viewer:

Level Date and Time Source Event ID Task Category
Error 7/14/2008 12:09:13 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""WmiApRpl"" in DLL ""C:\Windows\system32\wbem\wmiaprpl.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:13 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""PNRPsvc"" in DLL ""C:\Windows\system32\pnrpperf.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:11 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""MSDTC"" in DLL ""C:\Windows\system32\msdtcuiu.DLL"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:11 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""Lsa"" in DLL ""C:\Windows\system32\Secur32.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:11 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""ESENT"" in DLL ""C:\Windows\system32\esentprf.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:11 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""DFSR"" in DLL ""C:\Windows\System32\DfsrPerf.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."
Error 7/14/2008 12:09:11 PM Microsoft-Windows-Perflib 1008 None "The Open Procedure for service ""BITS"" in DLL ""C:\Windows\system32\bitsperf.dll"" failed. Performance data for this service will not be available. The first four bytes (DWORD) of the Data section contains the error code."

any help would be greatly appreciated.

it is Windows Vista Home Premium, 2 GB RAM, AMD Turion TL-56 , HP Pavilion dv6000

Did you install SP1? It resolves lots of issues.