How to create USB blacklist in windows?

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I am sure you may have heard or used blacklist in your mobile phones.
The blacklist service in mobile phones allows you to block calls and messages from all blacklisted numbers.
Today we are going to learn how can you create USB blacklist in windows to block USB drives in windows.

Lock a zip file using pattern lock

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Today we are going to learn how to lock a zip file using pattern lock.

How to hide Secret Text Easily

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Today we are going to learn how to hide secret text easily.
Many times we need to hide our private messages like some private data or password written in a text file.

How to change multiple folders icon in windows at single click?

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Recently, we published -
How to delete all emails from gmail at single click?

Today we are going to publish how to change multiple folders icon in windows at single click.