I'm not sure I'm in the right area. McAfee says my computer is secure, but some time yesterday or the day before all my documents and photos saved sicne 1994 were wiped out. I'm a computer dummy but my son, who's very busy now backed them up hopefully a month or so ago. I hope he's right? If not, is there anything that can be done and please let me know how this happened. Thanks for any help on this.
As a precaution I moved this to Malware Discussions.
Don't click on anything that may be displaying.
If you can, power down & reboot into Safe Mode by tapping F8 repeatedly while booting up, then try to invoke System Restore to before all this started.
SR is found in Start > All Programs > Accessories > System Tools. or you can invoke it by going to Start > Run and typing rstrui and clicking OK and hitting the Enter key.
You don't say what operating system you have but in Vista and Windows 7 simply type rstrui in the box above the Start button and it should appear in the space above, that also will start System Restore.