The Application has failed to start side by side config is incorrect

Hello Avast Forum,

So here’s the issues im having, I dont know when did this starts to happen, but all i know is, my avast icon was white blank, then I tried the AvastUI icon in my avast dir, and Im getting, “The Application has failed to start because it’s side-by-side configuration is incorrect… blabla”, of course, before posting on this forum (made an account just because of this) i searched it on the internet on how to solve this problem, some says, repair via Control Panel, tried that, and “HTMLayout.dll cannot be loaded to properly start GUI” i also found a thread on this forum which was 2010. So, I made an account and hope you guys can help me.

I don’t even remember what Avast version im using, I think it’s a Avast! pro, Im using windows 8.1, got avast from A*L IT Hypermarket. Thanks.

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

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  • I wrote this.
  • I cant remember
  • Windows 8.1 64 bit
  • no
  • it’s just avast

but right after this problem, i installed malwarebytes to scan for malware…

  1. Download Avast Pro Antivirus: http://files.avast.com/iavs9x/avast_pro_antivirus_setup.exe
  2. Follow instructions: http://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.

Ok, thanks for the response, I’ll try this and will let you know, if this works.

OK, report back.

Thanks Asyn! it worked! Ill let you know again if i face another problem.

You’re welcome.