If I just run a sfcdetails/txt I get a lot of information that says something like this:
2010-01-16 13:22:53, Info CSI 000002b3 [SR] Beginning Verify and Repair transaction
2010-01-16 13:22:53, Info CSI 000002b5 [SR] Cannot repair member file [l:24{12}]"settings.ini" of Microsoft-Windows-Sidebar, Version = 6.0.6001.18000, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2010-01-16 13:22:53, Info CSI 000002b7 [SR] Cannot repair member file [l:24{12}]"settings.ini" of Microsoft-Windows-Sidebar, Version = 6.0.6001.18000, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2010-01-16 13:22:53, Info CSI 000002b8 [SR] This component was referenced by [l:162{81}]"Package_20_for_KB936330~31bf3856ad364e35~amd64~~6.0.1.18000.936330-33_neutral_GDR"
2010-01-16 13:22:53, Info CSI 000002bb [SR] Could not reproject corrupted file [ml:520{260},l:72{36}]"\??\C:\Program Files\Windows Sidebar"\[l:24{12}]"settings.ini"; source file in store is also corrupted
2010-01-16 13:22:54, Info CSI 000002bd [SR] Repair complete