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Windows keeps deleting all downloads and email attachments

So I try to download email attachments or programs from the internet and the files are impossible to open, for they are automatically deleted. I have tried in different browsers, different computer sessions/accounts. I also tried stopping avast services, windows defender and windows firewall. Nothing worked. What can the cause of such behavior be? I couldn't start in security mode with network support for it tells me to wait and basically freezes after loading a few dozen services.
Oct 22 '12 #1
3 1912
5,400 Expert Mod 4TB
Several things can be happening:
  1. Sender didn't actually make the attachment (my mom does this quite often)
  2. Sender's computer has a software program or a virus that is stripping or damageing the file.
  3. Sender's ISP is stripping the attachments... recomend compressing attachments as ISPs will often strip .exe and other such.
  4. Somewhere out there a routing system is behaving badly.
  5. Replace the "Sender" above with "Receiver" and repeat.
  6. Receiver's IT-Security can also block downloads based on... well.. basically anything they want to filter on.
Oct 22 '12 #2
Well not really. For example, I canęt download PDF files,with invoices from my huge internet/voice/TV provider. Trusted sources, like cnet downloads or twocows also don't work. IE says, file removed because it conteined a virus. Only it does not contain any virus. I can't grasp what in my computer is issuing the command to delete the files to stop it.
Oct 22 '12 #3
5,400 Expert Mod 4TB
"not really"
Please re-read my post, esp. #4 and #2-replace sender with receiver.

Just because the source is trusted doesn't mean that there isn't a third party that is injecting crud - it's called the "man-in-the-middle" attack. I had to start digitally signing my email from home because a third-party system that handled the email at some point between my Mom and myself kept adding attchments or would "wrap" my attachments with a virus... even zipped. Now I was a trusted source for my Mom and yet that didn't mean anything to her ISP when my email arrived loaded with virus programs.
Oct 22 '12 #4

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