How do you repair infected files in avast?

To repair infected files in Avast, open the Avast application and navigate to the "Protection" section. Select "Virus Scans" and run a full scan to identify infected files. Once the scan is complete, Avast will provide options for each infected file, including "Repair," "Move to Chest," or "Delete." Choose "Repair" for files that can be fixed, and follow the prompts to complete the process.