win7 32位无法安装.net framework 4.6.2

Question

去微软官网下载NDP462-KB3151802-Web.exe软件，点击安装之后，出现

点击日志文件，提示一下错误：
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OS Version = 6.1.7601, SP = 1.0, Platform 2, Service Pack 1
OS Description = Win7 - x86 Ultimate Edition Service Pack 1
MSI = 5.0.7601.23593
Windows version = x86_windowsfoundation_31bf3856ad364e35_6.1.7601.17514_none_0541445eeedbd616.manifest
Windows servicing = 6.1.7601.17514
CommandLine = E:\5cd2c9a185a2e3d1913f7ab148\\Setup.exe /x86 /x64 /web
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4.6.2 Setup
Package Version = 4.6.01590
User Experience Data Collection Policy: Disabled
Number of applicable items: 10
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
WinHttpDetectAutoProxyConfigUrl failed with error: 12180
Unable to retrieve Proxy information although WinHttpGetIEProxyConfigForCurrentUser called succeeded
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
WinHttpDetectAutoProxyConfigUrl failed with error: 12180
Unable to retrieve Proxy information although WinHttpGetIEProxyConfigForCurrentUser called succeeded
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
WinHttpDetectAutoProxyConfigUrl failed with error: 12180
Unable to retrieve Proxy information although WinHttpGetIEProxyConfigForCurrentUser called succeeded
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
WinHttpDetectAutoProxyConfigUrl failed with error: 12180
Unable to retrieve Proxy information although WinHttpGetIEProxyConfigForCurrentUser called succeeded
E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp - Signature verification for file netfx_Full_x86.msi (E:\5cd2c9a185a2e3d1913f7ab148\TMPCC05.tmp) failed with error 0x800b0109 (已处理证书链，但是在不受信任提供程序信任的根证书中终止。)
No FileHash provided. Cannot perform FileHash verification for netfx_Full_x86.msi
Exe (E:\5cd2c9a185a2e3d1913f7ab148\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
ServiceControl operation succeeded!
ServiceControl operation succeeded!
Exe (E:\5cd2c9a185a2e3d1913f7ab148\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
Final Result: Installation failed with error code: (0x800B0109), "已处理证书链，但是在不受信任提供程序信任的根证书中终止。 " (Elapsed time: 0 00:07:47).

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求大神告知这是什么错误？？为啥我之前就可以安装，现在出现这个问题了？

Answer 1

给你一个链接吧~微软官方的，也是证书问题，希望对你有所帮助。

传送门：
win7 无法安装.net framework 4.6.2 提示已处理证书链，但是在不受信任提供程序信任的根证书中终止