Thought you might want to see the error messages from SFC ran at the command prompt after starting with F8:
Cannot repair member file [l:22{11}]"wimgapi.dll" of Microsoft-Windows-Wimgapi, Version = 6.1.7600.16385, 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
2020-12-12 05:49:10, Info CSI 000001ec [SR] Cannot repair member file [l:22{11}]"wimgapi.dll" of Microsoft-Windows-Wimgapi, Version = 6.1.7600.16385, 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
2020-12-12 05:49:10, Info CSI 000001ed [SR] This component was referenced by [ml:38{19},l:36{18}]"Windows Foundation"
2020-12-12 05:49:10, Info CSI 000001f0 [SR] Could not reproject corrupted file [ml:520{260},l:46{23}]"\??\X:\windows\System32"\[l:22{11}]"wimgapi.dll"; sou
and further down:
00000283 [SR] Cannot repair member file [l:22{11}]"wimgapi.dll" of Microsoft-Windows-Wimgapi, Version = 6.1.7600.16385, 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
2020-12-12 05:49:38, Info CSI 00000285 [SR] Cannot repair member file [l:22{11}]"wimgapi.dll" of Microsoft-Windows-Wimgapi, Version = 6.1.7600.16385, 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
2020-12-12 05:49:38, Info CSI 00000286 [SR] This component was referenced by [ml:38{19},l:36{18}]"Windows Foundation"
2020-12-12 05:49:38, Info CSI 00000289 [SR] Could not reproject corrupted file [ml:520{260},l:46{23}]"\??\X:\windows\System32"\[l:22{11}]"wimgapi.dll"; source file in store is also corrupted
2020-12-12 05:49:38, Info CSI 0000028b [SR] Repair complete