If you are want to turn off Avast antivirus to perform Defragmentation then you should read the blog. On the other hand, you can also contact at Avast Antivirus Tech Support Number for quick and high-end solutions.
During the time of disk defragmentation, a system process is there which gathers and returns the files to their default locations in order to improve speed and performance, Avast Antivirus Security Suite could interrupt the system process. So to perform the task of disk defragmentation, it is important to turn off Avast antivirus until the Windows finishes the process. When you turn off Avast, the scanning and detection feature which monitors malware and other system functions is disabled. This decreases the risk of issues while the disk defragmentation process, but on the other hand, it also leaves your business vulnerable to attack from viruses and other malicious content. For more information, avail Avast Customer Support from experts.