Malicious software, also known as malware, is designed to deliberately harm your computer or collect info about you (including personally identifiable or other sensitive info). For example, viruses, worms, and Trojan horses are malicious software.
We recommend that you use the free Microsoft Safety Scanner to check your computer for malware. The Microsoft Safety Scanner will help you decide whether to remove XDVAnnn.sys.
With automatic updating, you don't have to search for updates or worry that critical fixes for Windows might be missing from your computer. Windows automatically checks online for the latest important updates for your computer. Depending on the settings you choose, Windows can install updates automatically or just let you know they're available.
For more info about automatic updating, go online to read the