如果您安装Thebrain出现以上界面，点击“log file”

[0B50:2658][2021-09-27T11:17:26]i001: Burn v3.11.1.2318, Windows v6.1 (Build 7601: Service Pack 1), path: C:\Windows\Temp\{2378E3B3-42A5-42B9-9BE2-F7AD9F81B43B}\.cr\TheBrain 11.0.116.0 Installer.exe
[0B50:2658][2021-09-27T11:17:26]i000: Initializing string variable 'InstallFolder' to value '[ProgramFilesFolder]TheBrain\TheBrain 11'
[0B50:2658][2021-09-27T11:17:26]i009: Command Line: '"-burn.clean.room=C:\Users\Administrator\AppData\Local\Temp\360zip$Temp\360$0\TheBrain 11.0.116.0 Installer.exe" -burn.filehandle.attached=184 -burn.filehandle.self=192'
[0B50:2658][2021-09-27T11:17:26]i000: Setting string variable 'WixBundleOriginalSource' to value 'C:\Users\Administrator\AppData\Local\Temp\360zip$Temp\360$0\TheBrain 11.0.116.0 Installer.exe'
[0B50:2658][2021-09-27T11:17:26]i000: Setting string variable 'WixBundleOriginalSourceFolder' to value 'C:\Users\Administrator\AppData\Local\Temp\360zip$Temp\360$0\'
[0B50:2658][2021-09-27T11:17:26]i000: Setting string variable 'WixBundleLog' to value 'C:\Users\ADMINI~1\AppData\Local\Temp\TheBrain_20210927111726.log'
[0B50:2658][2021-09-27T11:17:26]i000: Setting string variable 'WixBundleName' to value 'TheBrain'
[0B50:2658][2021-09-27T11:17:26]i000: Setting string variable 'WixBundleManufacturer' to value 'TheBrain Technologies LP'
[0B50:0C88][2021-09-27T11:17:26]i000: Setting numeric variable 'WixStdBALanguageId' to value 1033
[0B50:0C88][2021-09-27T11:17:26]i000: Setting version variable 'WixBundleFileVersion' to value '11.0.116.0'
[0B50:2658][2021-09-27T11:17:26]i100: Detect begin, 2 packages
[0B50:2658][2021-09-27T11:17:26]i000: Registry key not found. Key = 'SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full'
[0B50:2658][2021-09-27T11:17:26]w120: Detected partially cached package: NetFx472Web, invalid payload: NetFx472Web, reason: 0x80070003t

通过日志前半部分的分析，当我看到 not found时大致知道了原因——.NET FRAMEWORK缺失，因此点击这里安装.Net Framework4.7即可

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