软体版本：Avira Antivirus Pro 15.0.2011.2022 作业系统：Win10 家用版 1909 (OS Build 18363.1198) 问题描述： 小红伞於本周四(11/19)早上开始无法更新，虽然网路状态一切正常，防火墙也未更动 但错误讯息显示为网际网路连线失败、因此无法更新。 目前防毒软体仍未到期，请教大家该如何设定以使得更新作业能正常执行，谢谢大家~ 错误报告： Avira Antivirus Pro Updater Complete product update Creation time: Saturday, November 21, 2020 11:19:03 AM Operating system: Windows 10 Home () [10.0.18363] 64 bit Product information: Product version: 15.0.2011.2022 Updater: C:\Program Files (x86)\Avira\Antivirus\update.exe 15.0.2010.1999 Update resource: C:\Program Files (x86)\Avira\Antivirus\updaterc.dll 1.0.2004.608 Library: C:\Program Files (x86)\Avira\Antivirus\update.dll 15.0.2010.1999 GUI: C:\Program Files (x86)\Avira\Antivirus\updgui.dll 15.0.2009.1990 Temp Directory: C:\ProgramData\Avira\Antivirus\TEMP\UPDATE\ Backup folder: C:\ProgramData\Avira\Antivirus\BACKUP\ Installation Directory: C:\Program Files (x86)\Avira\Antivirus\ Updater folder: C:\Program Files (x86)\Avira\Antivirus\ AppData folder: C:\ProgramData\Avira\Antivirus\ Connection settings: - Connection type: Web server - Transfer type: Existing connection - Proxy settings: No proxy 11/21/2020,11:19:03.226 [UPD] [INFO] Get product file from update server using direct connection. 11/21/2020,11:19:04.089 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:07.091 [UPD] [INFO] Get product file from update server using direct connection. 11/21/2020,11:19:07.952 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:13.954 [UPD] [INFO] Get product file from update server using direct connection. 11/21/2020,11:19:14.812 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:23.817 [UPD] [INFO] Get product file from update server using direct connection. 11/21/2020,11:19:24.718 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:24.719 [UPD] [INFO] Get product file from update server using system proxy. 11/21/2020,11:19:25.624 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:28.626 [UPD] [INFO] Get product file from update server using system proxy. 11/21/2020,11:19:29.525 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:35.527 [UPD] [INFO] Get product file from update server using system proxy. 11/21/2020,11:19:36.415 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:45.418 [UPD] [INFO] Get product file from update server using system proxy. 11/21/2020,11:19:46.334 [UPD] [ERROR] Connection to Avira update bridge failed: SSL peer certificate or SSH remote key was not OK. Error Code: 51. Check your Internet connection or proxy settings. 11/21/2020,11:19:46.335 [UPD] [ERROR] Missing settings from updater bridge: No filename list and update server is available. 11/21/2020,11:19:46.336 [UPD] [ERROR] No Internet connection. Summary: ******** 0 Files downloaded 0 Files installed Saturday, November 21, 2020 11:19:46 AM The update failed! Error: 4 -- ※ 编辑: Willful1 (114.137.93.103 台湾), 11/22/2020 01:37:03