There are a few possible reasons why Windows Defender might be using a lot of CPU: There are a few possible reasons why Windows Defender might be using a lot of CPU:
1. It Could Be Scanning for Malware or Other Threats. 1. It Could Be Scanning for Malware or Other Threats.
This process can be resource
intensive, depending on how many files need to be scanned.
intensive, depending on how many files need to be scanned.
2. There Could Be a Problem With the Sbamsvc.exe File Itself, Which Could Cause It to Use More Resources Than Usual. 2. There Could Be a Problem With the Sbamsvc.exe File Itself, Which Could Cause It to Use More Resources Than Usual.
This is often due to malware or other malicious software that modifies system files.
3. There May Be a Conflict With Another Program That Is Also Trying to Access the Same Resources as Windows Defender. 3. There May Be a Conflict With Another Program That Is Also Trying to Access the Same Resources as Windows Defender.
This can lead to both programs using more CPU than they normally would.