Technology

RAR5 vs RAR4 vs 7ZIP – A quick comparison

Better. zip .7z or .rar?  Often we don’t even pay attention to it, but when we click on a ‘zipper’ file, we are using sophisticated compression algorithms that over the years keep getting better and better.   There are many algorithms and therefore compression formats:  Zipper, Rar, GZip, BZip2, 7z, Tar, Tar.gz …   Among the most popular on Windows we have: 7z, Zip and Rar.  The first and the second one …

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Restore Windows following a driver error or failed update

A brief guide to help you resuscitate your PC in case you are no longer able to start after malicious driver updates.  NOTE:  This guide also applies in the event of an error due to driver installation that is not compatible with your system.  Blue error screen: CRITICAL_SERVICE_FAILED.    If you are in the condition of not being able to …

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How the Windows password works and why when we type a wrong one it takes more time to login

It may have happened that you entered the wrong password on Windows (XP/7/8/10…) and noticed that the computer took longer to retry the input field.  Many will have wondered why when you enter the correct password the PC recognizes it immediately, while it remains in a sort of semi-stall otherwise.   Some may have thought that …

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How to create a safe and easy to remember password

They say that the most used passwords are always the same (example: 123456, password, qwerty, etc. …), or in any case referable to birth dates or memorable moments of someone’s life. Well, using public characters or real places is not a good idea anyway: in fact there are some software (like John the Ripper) that are able to use huge dictionaries, …

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