I just installed avast, now Thunderbird has issues with security exceptions

[mathis.danelzik]

Hi, noob here.

I just installed avast and then started up Thunderbird.

It now asks me to allow a security exception for "pop.gmx.net:995" and another mail adress.
I have the option to download a security certificate, but it says there isn't enough information / unknown identity.
Even if I allow the exception (and the option to safe this exception is ticked), the program keeps asking me for this exception. Nothing else happens, I can't use my Emails.

Can you guys help me? Would be very much appreciated.

Best, Mathis

[Asyn]

- Which Avast..? (Free/Pro/IS/Premium)
- Which version..?
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

[mathis.danelzik]

- Which Avast..? (Free/Pro/IS/Premium)                        - Free
- Which version..?                                                        - 19.8.2393 (Build 19.8.4793.531)
- OS..? (32/64 Bit..? - which SP/Build..?)                       - 64bit
- Other security related software installed..?                   - not willingly
- Which AV(s) did you use before Avast..?                      - avira, I deinstalled it because of issues with their ads

[Asyn]

First, be sure to get rid of all remnants of your prior installed AV(s)..!!
-> https://support.avast.com/article/11/

Then:
1. Download Avast Free Antivirus: https://files.avast.com/iavs9x/avast_free_antivirus_setup_offline.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.

[bob3160]

How to Successfully Install Avast -> http://goo.gl/VLXde