Sudden slowness, new toolbars, changed settings, or unfamiliar programs can all signal malware. Treating these changes as warning signs — and scanning when they appear — catches infections early.
“When your device acts strange, listen to it.”
Watch for Slow, Strange Behavior
The takeaway
Unexplained changes can mean infection.
Save for later
Saved only in this browser. No account needed. Does not sync. Clearing browser data removes the list.