Windows 11 24H2操作系统这三个文件没有签名

Question

（一）c:\windows\system32\directsr.dll: Verified: ???????????????????????????? Link date: 7:05 2024/12/10 Publisher: Microsoft Azure Code Sign Company: Microsoft Corporation Description: DirectSR Runtime Product: Microsoft?DirectX 12 for Windows? Prod version: 1.713.0.0.241209-1453.1.ge.063bb4b28ba3434e8b924a7b5cfc19c64df95882 File version: 1.713.0.0.241209-1453.1.ge.063bb4b28ba3434e8b924a7b5cfc19c64df95882 MachineType: 64-bit

（二）c:\windows\system32\DMRCDecoder.dll: Verified: ???????????????????????????? Link date: 16:01 2024/4/20 Publisher: Microsoft Azure Code Sign Company: n/a Description: n/a Product: n/a Prod version: n/a File version: n/a MachineType: 64-bit （三）c:\windows\system32\HrtfDspCpu.dll: Verified: ???????????????????????????? Link date: 1:00 2023/8/4 Publisher: Microsoft Azure Code Sign Company: Microsoft Corp. Description: Microsoft (R) Spatial Audio DSP Library Product: Project Acoustics Prod version: 2024.0.42 File version: 2024.0.42 MachineType: 64-bit