installer corrupted

Could someone tell me what could be the reasons when installer gets corrupted? I know that my browser downloading is ok.


http://pixpipeline.com/s/2712fe28f04c.jpg

Where are you getting the installer from ?

Corruption can be caused by many things.
Amongst them are (not limited to)

  • the developer made a mistake
  • a hickup somewhere between the server and your system
  • a real tine power hickup in your system
  • bad sector on your harddrive
    etc.

Getting from Avast website. Well, this sometimes occurs when I put Avast installer on my external hdd, turning my PC off and next day when I run it either from that external hdd or copying on the desktop, it is corrupted. I know it’s not Avast problem but I first noticed this for the Avast installer exe, so wanted to check here first.

Indeed, seems it’s not the Avast server error.
https://forum.avast.com/index.php?topic=144915.0

Here we have other suggestions:
-http://www.brighthub.com/computing/smb-security/articles/84317.aspx
-http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/free-extractor-error-could-not-read-sfx-info/e18761f2-2742-48ba-b163-a4790df28006