CRC errors happen when there's a bad spot on the media of your hard disk. Data recovery and disk repair are often possible with the right tools -- but you won't need them if you have a backup.

Email reputation for your home IP address probably doesn't matter, and having it characterized as "poor" might even be a good thing.

Depending on your usage, turning your computer off at night might be appropriate. But is it actually saving energy? In the long run, it's hard to say.

Most email programs can block email from a specific address. Unfortunately, blocking email from a sender is ineffective when it comes to spam.

Relay servers pass email messages along from one email server to another. I'll review why they exist, and why they might matter.

What Windows Update leaves behind isn't trash at all, but rather files with a specific purpose.

Printing pictures displayed on screen so they look good turns out to be surprisingly difficult, if not downright impossible.

It's tempting to want to reply to spam, telling the sender to stop it (or worse). Not only is that ineffective, it often makes things worse.

The VPNFilter malware that impacts routers is complex and difficult to know what to do about.

Assorted redistributables and shared libraries are often installed on your PC by programs that need them. Removing them, while tempting, is fairly risky.