Avg hangs updating virus defenitions
But security software is nothing to leave to chance.
If an update is available, it’s there for a reason – to make sure your antivirus software’s databases are up-to-date and able to protect you against the latest threats.
They can slow your PC down, they need an internet connection, and in the worst cases, they demand you restart your system.
I was very curious about whether these programs were still as effective (or ineffective) as they had been, and how well they detected new malware that had appeared since the last test was performed.
After last year’s testing, I received a number of requests for tests of other apps.
EDIT: I've opened a bounty for this, because I really don't know what to do anymore.
The oldest answer(the long post) here did not work.
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It’s vital that you keep your PC’s protection up to date, otherwise newer threats may be able to slip past your defences.