Windows easy transfer error in Vista

When I try using WET on my Vista home premium WET stops and i get this error log.

Error message:

2010-02-07 18:19:43, Error [0x08018e] MIG CAgentManager: agent CCSIAgent threw an exception during Detect: class UnBCL::NotSupportedException: Unable to find servicing stack directory..
class UnBCL::ArrayList *__thiscall Mig::CManifestSourceFactory::CreateManifestSources(class Mig::CPlatform *)
[gle=0x00000002]
2010-02-07 18:19:43, Error [0x08079d] MIG Unhandled exception in EarlyDiscover: class UnBCL::NotSupportedException: Unable to find servicing stack directory..
class Mig::CMigUnitList *__thiscall Mig::CAgentManager::Detect(class Mig::CPlatform *,class Mig::CUserContext *)
class UnBCL::ArrayList *__thiscall Mig::CManifestSourceFactory::CreateManifestSources(class Mig::CPlatform *)
[gle=0x000036b7]

I just noticed that i can’t even do windows updates anymore either. Last one was on the january 14 2010

Any ideas ??