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How can I use a MD5 or SHA1 checksum to verify a downloaded file?

How can I use a MD5 or SHA1 checksum to verify a downloaded file?

A: I recently wrote an article about MD5 and SHA1 hashing algorithms and how they are commonly used around the internet. Creating an MD5 or SHA1 hash is relatively easy. There are a good many applications out there that can be used to generate all sorts of checksums.... read more
Cindy B.

Cindy B.

I have worked with many IT techs over the years at various jobs and I can say without a doubt you are the best one I’ve ever known! (and that includes my brother!!!). Cindy B. Los Angeles, CA read more
Dennis M. – Los Angeles, CA

Dennis M. – Los Angeles, CA

Greg Madore has been my concierge tech support for about 4 years. During that time he also helped my wife, an artist who has limited experience with technology. Having worked with high-tech companies since 1995, I have known a lot of people who do tech support. Greg... read more
What can I say but thank you.

What can I say but thank you.

Dear Greg, What can I say but thank you. I know your business is to provide a service to your customers when problems arise with our computers and their support hardware and software. I want you to know how much your are appreciated with your approach and resolution... read more