📎 AI Summary:
The thread discusses a workaround for AVG (free edition) blocking Yahoo Mail file uploads with an “invalid attachment” warning, leaving the email unsent. The main answer explains how to enable AVG’s outgoing email check in the AVG interface and then resend: delete the failed attachments, save as draft, relog to Yahoo in a new tab, reattach, and send. Sentiment is largely straightforward and practical, with the poster noting it’s only a “tip,” not an official guide, and inviting others to confirm or correct it.
Thread Author
geez … this is not a tutorial … the following is a tip. yes, it may be an illustrated tip … but, this is only a tip. i could find no child-board for "tips" … if there is one, pls move appropriately.

environment:

  • win-10
  • avg antivirus-free-edition (16.121.7859)
  • firefox (49.0.2)
  • chrome (Version 54.0.2840.71 m)
  • mie (i don't trust mie with my pw's … sorry)

this is just a tip for those out there using yahoo email(browser) while being protected by avg … if trying to attach/upload files and yahoo issues a warning saying 'invalid attachment'. with the email still waiting to be sent … go ahead and minimize the browser's window. try the following:

going into avg's interface:

  • options/advanced-settings
  • email protection/scanner
  • "enable" check-outgoing-email
  • apply/okay
  • close avg's interface

going back into yahoo email:

  • delete the attachments you previously tried sending
  • save the email as "draft"
  • close yahoo.mail and yah.com
  • open new tab and log into your yahoo email
  • find/open the email you were about to send
  • re-attach the files and click "send"

the email should successfully send.

you have not compromised avg or yahoo or your computer in any way. also, i see no reason why this should not work cross-platform … but seems there's always idiosyncrasies in life.

if someone feels the information is incorrect or that it does not resolve their issue … pls comment in this thread. if someone feels they wish to add information … i absolutely welcome your input.

veritably, the above tip is not in avg's local help-files … nor is it listed on avg's global forums or knowledge base. in fact, avg's local help-files state their free-edition does not support the feature to allow/disallow. go figure.

attached files for viewing:

An image from 'avg  vs.  yahoo-attachments …'. Settings and help guide for AVG AntiVirus email scanner checking incoming and outgoing emails.
An image from 'avg  vs.  yahoo-attachments …'. Settings and help guide for AVG AntiVirus email scanner checking incoming and outgoing emails.
 

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