Hi, I also have tried several times to upgrade from Win 7 home basic.
This is from setuperr.log
2015-08-07 05:50:09, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-07 05:50:09, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-08-07 14:16:56, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-07 14:16:56, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-08-07 15:27:11, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-07 15:27:11, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-08-07 18:07:15, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-07 18:07:15, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-08-08 10:52:52, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-08 10:52:52, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-08-09 14:56:30, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-08-09 14:56:30, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-09-12 00:41:11, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-09-12 00:41:11, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
2015-09-13 11:00:44, Error [0x08085f] MIG MigHost: CMigPluginSurrogate::LoadAndRegisterServerInThreadContext: LoadLibraryExW(C:\$WINDOWS.~BT\Sources\ReplacementManifests\Microsoft-Windows-RasServer-MigPlugin\RasMigPlugin.dll,
LOAD_WITH_ALTERED_SEARCH_PATH) failed gle=0x7f.[gle=0x0000007f]
2015-09-13 11:00:44, Error [0x080863] MIG MigHost: CMigPluginSurrogate::COMGenericThreadingHostThreadProc: LoadAndRegisterServerInThreadContext() failed hr=0x8007007f.[gle=0x0000007f]
Any hint what to do? At 25% it stops when 80% of the files are copied.