Computer technician blog

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General - General posts, notices and other information.
Viruses - News and articles related to viruses, will be posted in this section.
Windows - How-To guides for Windows users.
Mac - How-To guides for Mac users.

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Change the default web browser on Mac

How to change default web browser application on Mac computers?

The Safari application is the default web browser on all Apple products including Mac computers, such as iMac, iMac Pro, Mac mini, Mac pro, MacBook Pro, MacBook Air, MacBook, and also mobile devices such as iPhone, iPad, and iPod touch (with the mobile version of Safari). You may, however, not like the app interface or functionality and prefer alternative software such as Google Chrome, Mozilla Firefox, or Opera. This is common to those who have recently switched from Windows to Mac devices.

 
System Restore Error 0x80070091

System Restore Did Not Complete Successfully, Error 0x80070091. How To Fix It?

The System Restore feature in Windows operating systems allows users to return to a previous computer state (to a restore point, if one was created) automatically or manually. In Windows 10, this feature is disabled by default and users must to turn it on if required. It is recommended that you have System Restore enabled.

 
Force to quit frozen apps on Mac

Terminate the frozen and unresponsinve applications on Mac

Apple computers are a leader in terms of computer performance and stability. Your MacBook or iMac will usually operate for long periods of time without glitches or problems, however, Apple cannot control every aspect of their products. Some third-party applications might contain optimization and resource usage faults causing frozen apps or, in some rare cases, a freeze of the entire Mac system. Most Mac users will have experienced the spinning beach ball on their screens for at least a second, but this is clearly much more frustrating when the ball does not stop spinning and the application freezes and becomes unresponsive.

 
Esrv.exe Application Error 0xc0000142

How To Easily Fix Esrv.exe Application Error 0xc0000142 In Windows 10

The Esrv.exe process is a part of Intel software included with the Intel Driver Update utility. The process should not normally cause problems, however, many users have reported that they have encountered an esrv.exe Application Error, which states that the application was unable to start correctly and advises that users "Click OK to close the application". In many cases, closing the application does not help and the error continues to pop-up up regardless.

 
Windows Update Error Code 0x80070002 And 0x80070003

How To Fix Windows Update Error Codes 0x80070002 And 0x80070003 

Windows Update is a free service for Windows users, which is provided by Microsoft on the second Tuesday of each month (or on other days if there are urgent bugs or errors to fix). It is important to keep Windows updated, mostly because of security updates that help users to stay protected online. Note that these updates can also include additional feature enhancements and driver updates.

 
Mac USB ports not working, how to fix?

Mac computer's USB ports stopped working or not working at all, how to fix?

Today, Universal Serial Bus (USB) is one of the main connection interfaces available. USB is used extensively, from input devices (keyboard/mouse) to external storage and output devices (printers, speakers/headphones). As USB ports are used for a wide range of devices, an inactive port can become a major problem. First, ensure the problem is with the Mac USB ports - the easiest way is to try a few separate devices using the same connections.

 
Usage of Apple Hardware test and Apple Diagnostics on Mac?

How to launch and use Apple's built-in hardware diagnostic tools, such as Apple Hardware Test and Apple Diagnostics?

Apple computers are well known for their stability and performance, and also use of hardware resources. Many people state that Mac computers never crash, however, there is always a chance of hardware or software crashes on any system. To help users in this respect, Apple included a built-in diagnostic tool that checks all computer components and displays results and recommendations about how to solve any existing issues. The tool (called Apple Hardware Test) provided multiple diagnostic tests on all Mac computers, and was available until 2013. Later, Apple slightly changed the name (Apple Diagnostics) and appearance on all models released after 2013.

 
RAVBg64.exe Causing High CPU Usage

RAVBg64.exe (or ravbg64.exe) Process Is Causing High CPU Usage. How To Fix It?

It is normal for various different programs and processes to run in the system background and normally you would not even notice it, unless one of the programs or processes start to cause high CPU usage when it is not supposed to. If you are reading this, then most probably you have opened the Task Manager and noticed that a process called RAVBg64.exe (or ravbg64.exe) is causing way too high CPU usage and is slowing down your computer.

 

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