Avast is searching for an update forever and I can't restart my computer.

Avast Free Antivirus / Premium Security
1

AvEmUpdate.exe is always running
instup.exe is always running
sbr.exe is always running (which is why I can’t restart)

Is there any way to force Avast to stop looking for an update?

2

Repair Avast:

  1. Avast GUI → Settings → Troubleshooting
  2. Click on ‘REPAIR APP’.
  3. Follow instructions.
  4. Reboot.