Once installed, they will make sure your PC is safe from the latest known viruses, spyware, PUPs, and malicious files.
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
Running any signature-based antivirus without the latest definitions might lead to serious security-related problems.
Unless the latest virus definitions are installed, the anti-malware tool might fail in detecting some recent threats, which could lead to data theft and a compromised system.
In right-side pane, look for a DWORD Disable Windows Update Access.
I just did my usual Windows Updates last night and after restarting this morning, Google Chrome won't work.
These features now come under : This will automatically suggest if Windows updates are applied and updated, whether PC is running out of storage space and if there are any device driver conflicts.
Also, resetting PC can be done from here using the is also now a part of Windows Defender Security Center.
It is very important that you download and install the 32-bit release for x86 systems and the 64-bit release for x64 systems.
Furthermore, please pay attention to the download links, since they are designed for different Windows iterations.