Can i lock my computer?
Of course you can Press Control+ALT+Delete and it will give you options of all the crap you want to do
Can I lock my computer,even whith other accounts,that no one can enter my computer unless by my password?
Yes you can, when your computer starts you would see 'press this for Bios settings' ,for example its F12 on my computer. Their you can go to serurity section and put a password accordingly
FBI computer lock-up?
No, this is malware. You mustn't pay anything, this is a scam. Try running few anti malware scans and remove it
How to Lock a Mac Computer?
Locking your Macintosh (Mac) computer when you log out or step away from your desk can protect and prevent your files and folders from being accessed by unauthorized users. To give your Mac compute...
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