Dear SleepyDude,
I have run the SFCFix script and the result shown as below. I rebooted the PC after run the script and try to install KB4534310 by running the windows6.1-kb4534310-x64_4dc78a6eeb14e2eac1ede7381f4a93658c8e2cdc.msi. With no luck it still failed. Please find the CBS.log attached. Thank you very much!
SFCFix version 3.0.2.1 by niemiro.
Start time: 2021-02-09 18:19:51.926
Microsoft Windows 7 Service Pack 1 - amd64
Using .zip script file at C:\Users\it\Desktop\SFCFix.zip [0]
PowerCopy::
Successfully took permissions for file or folder C:\Windows\WinSxS
Successfully created directory tree \\?\C:\Windows\WinSxS\x86_microsoft-windows-s..-jscript9.resources_31bf3856ad364e35_11.2.9600.19266_zh-cn_c793e3f5bbcf1caa.
Successfully copied file C:\Users\it\AppData\Local\niemiro\Archive\WinSxS\x86_microsoft-windows-s..-jscript9.resources_31bf3856ad364e35_11.2.9600.19266_zh-cn_c793e3f5bbcf1caa\jscript9.dll.mui to C:\Windows\WinSxS\x86_microsoft-windows-s..-jscript9.resources_31bf3856ad364e35_11.2.9600.19266_zh-cn_c793e3f5bbcf1caa\jscript9.dll.mui.
Successfully restored ownership for C:\Windows\WinSxS
Successfully restored permissions on C:\Windows\WinSxS
PowerCopy:: directive completed successfully.
Successfully processed all directives.
SFCFix version 3.0.2.1 by niemiro has completed.
Currently storing 1 datablocks.
Finish time: 2021-02-09 18:19:54.494
Script hash: eBs58UkXmb5NAcGw8KpOYF+VSE+oAXF1c5V1f4G6p/I=
----------------------EOF-----------------------
I have find the jscript9.dll.mui file and confirmed it exist in the winsxs folder
I also find this error in the cbs.log.
2021-02-09 18:29:03, Info CBS Failed to find file: x86_microsoft-windows-s..-jscript9.resources_31bf3856ad364e35_11.2.9600.19266_zh-cn_c793e3f5bbcf1caa\jscript9.dll.mui [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2021-02-09 18:29:03, Info CBS Failed to gather all required files. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2021-02-09 18:29:03, Info CBS Failed to gather all missing files for package: Package_for_RollupFix~31bf3856ad364e35~amd64~~7601.24544.1.9 [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2021-02-09 18:29:03, Info CSI 000000a0@2021/2/9:10:29:03.692 CSI Transaction @0x13efd240 destroyed
2021-02-09 18:29:03, Error CBS Failed to pre- stage package: Package_for_RollupFix~31bf3856ad364e35~amd64~~7601.24544.1.9 [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]