If PC says it has malware,can shut down and update be more bad on top of it?

If a PC detects malware, shutting it down and updating it could sometimes make the situation worse, depending on the type of malware. Here's why:

Malware Activation on Reboot: Some malware is designed to embed itself deeper into the system or trigger additional actions when the system is restarted. This could make it harder to remove or cause further damage.

Updates and Malware Control: While updates often patch vulnerabilities that malware exploits, if the malware has already compromised the system, it might interfere with or exploit the update process to embed itself further.

Recommended Actions:
Disconnect from the Internet: Immediately isolate the PC from the network to prevent the malware from spreading or communicating with its command-and-control server.
Boot into Safe Mode: Start the PC in Safe Mode to limit the malware's ability to operate.
Scan with Security Software: Use trusted antivirus or anti-malware tools to detect and remove the malware.
Consider a Bootable Antivirus: Use a bootable antivirus solution to scan and clean the system before booting into the OS.
Avoid shutting down unless absolutely necessary, and update only after ensuring the malware has been removed.