If Avast can't scan certain files

[Cleanersuite]

If avast can’t scan certain files on your device, there are many reasons why this is happening in your system.

• If the files trying to scan are corrupted or damaged, then avast will not be able to read.
  
• Or maybe they were interacting with malware. 
  

• Files may be in use by another program. 
  

• Some Files may be protected by windows.
  

•  Avast facing some technical issues.