I recently updated from windows 8 to 8.1, then I ran sfc /scannow and the results showed some errors .
CSI 000001ab [SR] Cannot repair member file [l:58{29}]"Embedded Lockdown Manager.lnk" of Microsoft-Windows-Embedded-EmbeddedLockdownSettings, Version = 7.3.9600.17116, 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
2017-02-23 11:02:39, Info CSI 000001ad [SR] Cannot repair member file [l:58{29}]"Embedded Lockdown Manager.lnk" of Microsoft-Windows-Embedded-EmbeddedLockdownStartMenu, Version = 7.3.9600.17116, 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
2017-02-23 11:02:42, Info CSI 000001b0 [SR] Cannot repair member file [l:58{29}]"Embedded Lockdown Manager.lnk" of Microsoft-Windows-Embedded-EmbeddedLockdownStartMenu, Version = 7.3.9600.17116, 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
2017-02-23 11:02:42, Info CSI 000001b1 [SR] This component was referenced by [l:262{131}]"Microsoft-Windows-Embedded-EmbeddedLockdown-Package~31bf3856ad364e35~amd64~~7.3.9600.17116.MicrosoftWindowsEmbeddedEmbeddedLockdown"
2017-02-23 11:02:42, Info CSI 000001b4 [SR] Could not reproject corrupted file [ml:520{260},l:164{82}]"\??\C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Embedded Lockdown Manager"\[l:58{29}]"Embedded Lockdown Manager.lnk"; source file in store is also corrupted
2017-02-23 11:02:44, Info CSI 000001b9 [SR] Cannot repair member file [l:58{29}]"Embedded Lockdown Manager.lnk" of Microsoft-Windows-Embedded-EmbeddedLockdownSettings, Version = 7.3.9600.17116, 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
2017-02-23 11:02:44, Info CSI 000001ba [SR] This component was referenced by [l:262{131}]"Microsoft-Windows-Embedded-EmbeddedLockdown-Package~31bf3856ad364e35~amd64~~7.3.9600.17116.MicrosoftWindowsEmbeddedEmbeddedLockdown"
2017-02-23 11:02:44, Info CSI 000001bd [SR] Could not reproject corrupted file [ml:520{260},l:154{77}]"\??\C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools"\[l:58{29}]"Embedded Lockdown Manager.lnk"; source file in store is also corrupted
2017-02-23 11:02:44, Info CSI 000001be [SR] Verify complete