Can't be repaired
You could try running sfc /scannow,and see if that might fix things up.There are instructions here:
http://support.microsoft.com/kb/929833
Please let me know how it goes.
I ran sfc /scannow; this is from the CBS.log that was produced:
2014-06-09 16:41:29, Info CSI 0000075b Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:41:29, Info CSI 0000075c [SR] Cannot repair member file [l:22{11}]"jsproxy.dll" of Microsoft-Windows-IE-ClientNetworkProtocolImplementation, Version = 11.0.9600.17031, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2014-06-09 16:41:32, Info CSI 0000075d Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:41:32, Info CSI 0000075e [SR] Cannot repair member file [l:22{11}]"jsproxy.dll" of Microsoft-Windows-IE-ClientNetworkProtocolImplementation, Version = 11.0.9600.17031, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2014-06-09 16:41:32, Info CSI 0000075f [SR] This component was referenced by [l:170{85}]"Package_5645_for_KB2919355~31bf3856ad364e35~amd64~~6.3.1.14.2919355-11841_neutral_GDR"
2014-06-09 16:41:32, Info CSI 00000760 Hashes for file member \??\C:\WINDOWS\SysWOW64\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:41:32, Info CSI 00000761 Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:41:32, Info CSI 00000762 [SR] Could not reproject corrupted file [ml:48{24},l:46{23}]"\??\C:\WINDOWS\SysWOW64"\[l:22{11}]"jsproxy.dll"; source file in store is
.........
2014-06-09 16:44:06, Info CSI 0000085c Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:44:06, Info CSI 0000085d [SR] Cannot repair member file [l:22{11}]"jsproxy.dll" of Microsoft-Windows-IE-ClientNetworkProtocolImplementation, Version = 11.0.9600.17031, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2014-06-09 16:44:06, Info CSI 0000085e Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:44:06, Info CSI 0000085f [SR] Cannot repair member file [l:22{11}]"jsproxy.dll" of Microsoft-Windows-IE-ClientNetworkProtocolImplementation, Version = 11.0.9600.17031, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
2014-06-09 16:44:06, Info CSI 00000860 [SR] This component was referenced by [l:170{85}]"Package_5645_for_KB2919355~31bf3856ad364e35~amd64~~6.3.1.14.2919355-11841_neutral_GDR"
2014-06-09 16:44:06, Info CSI 00000861 Hashes for file member \??\C:\WINDOWS\SysWOW64\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:44:06, Info CSI 00000862 Hashes for file member \SystemRoot\WinSxS\x86_microsoft-windows-i..tocolimplementation_31bf3856ad364e35_11.0.9600.17031_none_a9ab6e96cc56125b\jsproxy.dll do not match actual file [l:22{11}]"jsproxy.dll" :
Found: {l:32 b:NyGjE9kpZYK+wealTt/Ah4euLH9wCjT3BLAh7gV63XY=} Expected: {l:32 b:5R0TrMNNceJdNp4WKx/FTSaVh0KzjtvPErOJ0wubKWg=}
2014-06-09 16:44:06, Info CSI 00000863 [SR] Could not reproject corrupted file [ml:48{24},l:46{23}]"\??\C:\WINDOWS\SysWOW64"\[l:22{11}]"jsproxy.dll"; source file in store is also corrupted