ERR_CERT_COMMON_NAME_INVALID is an error message shown by Chrome when there are problems with a website’s security certificate. This error message prevents you from accidentally visiting an unsafe website and it keeps visitors safe from third parties trying to steal their data. Here is how to fix the error with different methods.
You’re on the hunt for the perfect screencast software? There are a wide variety of suitable options, but the differences between them can be significant. Keep reading to find out what to watch out for and learn about six popular programs.
Screen recording is a practical function that can be used in many different fields from webinars, to tutorials and gaming. As of Windows 10, it’s become a fixed feature of the operating system, making external software superfluous. In this step-by-step guide, we’ll explain how to record your screen in Windows 10 in just a few clicks.
If you want to evaluate your data with regard to multiple criteria, the combination of the Excel functions IF and AND may be of use to you. Based on whether the conditions you defined are met or not, Excel will return a result of your choosing. Keep reading to find out how and when to use Excel’s IF AND formula.
How do you show hidden files and folders on your Mac? And why are folders and files hidden at all? In this how-to article, we’ll answer these questions and offer additional practical tips. For example, we’ll explain how to use Terminal commands to show files on a Mac and how to access hidden files using a file manager.
Analyses and calculations in Excel can be highly complex. Excel’s worksheets let you create huge tables, but sometimes you just want to answer a very simple question: How many cells in the table contain a number? In big worksheets, it can be virtually impossible to check the whole thing manually. The COUNT function in Excel was created specifically to solve this problem.
When it comes to explaining the complex features of computer programs, written instructions only go so far. Screencasts can help you to explain complex processes in a simple and entertaining way, to show what’s happening on your screen. Keep reading to find out how to make a screencast and what you should take into consideration during preparation and editing.
Hash functions are used in many areas of computer science. They generate hash values that represent digital information in a consistent manner according to defined parameters. They provide additional security (using encryption) during data transmission and allow data to be accessed more quickly. We explain what hash functions are, how they are used and provide some examples.
Since 2016, Google developers have been working on a new open source operating system. Unlike Chrome OS and Android, Fuchsia OS is not based on the Linux kernel. Google is trying out a different path. We introduce you to the software project, take a look at the state of development, and dare to make some initial predictions about what Google has in store for Fuchsia OS.
Through KVM, the open-source operating system Linux provides a powerful integrated virtualization function. This makes it possible to run one or more operating systems as guest systems on a Linux computer. Being directly integrated into the operating system’s kernel, it ensures high stability and good performance. Since this virtualization solution is available free of charge, it’s worth checking...