What are the signs of infection?
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Safety 101: General information


What are the signs of infection?

Back to "General information"
2018 Nov 21 ID: 790
Your computer may be infected if:
  • It shows unusual notifications or images or plays sounds.
  • Applications start or connect to the internet without your consent.
  • People from your contact lists receive messages from you that haven’t sent.
  • Your mailbox contains many messages with no sender’s address or subject.
  • Your computer often stops responding or works slowly.
  • The operating system does not load when you start the computer.
  • Files and folders may disappear, or you may be unable to open them.
  • You get multiple notifications on system errors.
  • Your browser stops responding or acts unexpectedly, e.g. opens pages or does not let you close the window or a tab.

What to do if you have notices these signs on your computer

If you notice any of the signs listed above, do the following:

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