So, we will be running Microsoft Defender Offline Scan and see if it can fix the issue. For that, you can follow the given steps. There can be multiple reasons why you may experience 100% Disk/CPU ...

Microsoft Defender mostly focuses on online threats ... and custom scans of specific folders, or even an offline scan to find tricky malware like rootkits that are hard to remove.

Now, click Virus & threat protection > Scan options > Microsoft Defender Offline scan > Scan now. Let it scan your computer for viruses and malware and delete them if it finds any. Dllhost.exe is ...