Pua:Win32/Fusioncore is a potentially unwanted application (PUA) that is categorized as malicious software or malware by Windows Defender and other antivirus software. It’s not as harmful as a virus or ransomware, but it can still pose a threat to your computer’s security and your personal data. Pua:Win32/Fusioncore often comes bundled with free software downloads from the internet. It usually infects computers when users download and install free software without carefully reading the terms and conditions. The PUA is hidden within the software installer and gets installed alongside the desired program without the user’s knowledge. Once installed, Pua:Win32/Fusioncore can cause various problems. It may slow down your computer, display annoying advertisements, or even change your browser settings. It can also potentially collect your personal information and send it to third parties. To avoid getting infected by Pua:Win32/Fusioncore or similar PUAs, it’s crucial to only download software from trusted sources, pay attention during the installation process, and regularly update and run your antivirus software.