Alex used it as a "sanity check" alongside existing software to see if anything was missed [1, 5].
The initial scan was fast, providing an almost instant report on potential threats [3]. The Reality Check: The Cons
While the service flagged three suspicious files, it couldn't actually delete them. Alex had to buy the "Pro" version for removal [1, 3]. Pros and Cons of Free Online Virus Scan Services
Since it was a web scan, it couldn't look deep into the system's registry or boot sectors where the nastiest viruses hide [1, 5].
However, as the scan finished, Alex ran into the limitations: Alex used it as a "sanity check" alongside
Many online scanners run directly in the browser or via a tiny executable, saving precious disk space and avoiding system bloat [1, 3].
The scanner found the problem but couldn’t stop new infections from happening five minutes later [2, 5]. Alex had to buy the "Pro" version for removal [1, 3]
Alex realized that to scan the files, some data had to be uploaded to the cloud, raising concerns about sensitive documents [2, 4].