You can update Windows under “Update & Security” in the Windows Settings. On Mac, you can update your Mac by click System Preferences in the Apple Menu, and then clicking Software Update. On older versions of MacOS, you can update your Mac in the App Store.
Click the Windows Start icon in the lower-left corner. Click the Power icon. Hold Shift and click Restart. Click Troubleshoot. Click Advanced Options. Click Restart. Press 4 when Windows reboots.
If you are asked to select a disk drive, select the drive that Windows is installed on. This is usually the “C:” drive.
Again, you may need to select a drive on your computer. Start with the Windows install drive (C:), and then repeat for any additional drives.
Experts in the computer security industry recommend downloading malware scanning software such as Malwarebytes, BitDefender Free Edition, SuperAntiSpyware, and Avast You can also use Microsoft Malicious Software Removal Tool, to do this select Windows Start menu and type “Windows Security” and click it in the Start menu. Ensure that malware scanning is enabled and click Quick Scan.
If you can’t access the internet on the infected computer, download it to a USB drive and transfer it to the infected computer.
If no malware was detected on your machine, try running a full scan instead of a quick scan. A full scan may take up to 60 minutes or more.
If your computer is still experiencing slowness, freezing, or other problems that you suspect may be the source of malware, try another anti-malware program. If you still continue to experience problems, you may need to contact an IT professional, or backup your important files, and reinstall Windows.
