Support for Windows® Defender Quick Scan
Difference between a Quick Scan and a Full System Scan by using Windows® Defender Quick Scan.
Windows® Defender is a free program, originally based on third-party design, that helps you stay productive by protecting your Windows® enabled computer against pop-ups, slow performance, and security threats caused by adware, malware, spyware and other unwanted malicious software.
This article looks at the differences between the quick scan and the full system scan options provided by Windows® Defender.
- Quick Scan
- Full System Scan
- Pros and Cons
Windows® Defender can sometimes prove to be resource hungry and consume a lot of the onboard memory for scanning purposes. To counter this problem, you can choose to run a quick scan of your computer or a full system scan.
A quick scan is designed to make a quick run through and sanitize the common places and targets for a malware or spyware infection. It checks the places on your computer's hard disk that spyware is most likely to reside and then multiply and spread to other sensitive areas of the computer system.
An option that is still quicker is the option for a customized scan. If you suspect that spyware, malware or an adware has infected and multiplied in a specific area of your PC, then you can customize a scan by very specifically selecting only the drives and folders that you suspect to be infected.
Full System Scan
A full system scan by the Windows® Defender is designed to locate malware/spyware by checking all files and folders on the hard disk of your PC. It even scans the memory signatures of all programs that would be executing in the foreground or background while the scan is in progress.
The Windows® Defender by design will always revert to the quick scan mode. But, of you do not what you are dealing with then it is advisable to run a full system scan. However, you should be prepared to sacrifice your PCs performance for the duration that the full system scan is underway.
A full system wide scan will almost always cause you PC to run slowly and respond sluggishly until the scan is fully complete. Whereas, a quick scan is far easier on your PC in terms of load cycles and resource usage. A quick scan may miss out on spyware detection because it skips a number of locations where the spyware is. A full system scan would be more thorough in its search and rooting out the spyware and malware.
We at iYogi would recommend that you schedule a daily quick scan. If at any time, you suspect that spyware has infected your computer; you can run a full scan. Also, it is recommended to remove all the temporary system files and updating the definition pack before you perform a full scan. This would help in reducing load on the PC during a full scan.
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