How to Resolve “Unable to Access Jarfile” Error on Windows PC

Some users have recently reported an error when launching certain applications when they get the “Unable to access jarfile” error message. Here I will explain how you can easily fix this error on your devices. Here you will learn how to remove Java Deployment Toolkit. JAR is a batch file format extension that is used […]

How to Repair: Cannot Change Screen Resolution in Windows 10 Computer

Usually, changing the screen resolution is one of the easiest tasks that Windows users can do. Simply right-click on your desktop > Display Settings > Advanced Display Settings, and you’ll see screen resolution settings with plenty of resolution options to choose from. However, many users report that after installing or upgrading to Windows 10, the […]

Troubleshoot: Boot Device Not Found, Hard Disk – 3F0 Error on an HP Computer

Some HP laptop owners have reported that error code 3f0 occurs when their system boots up. This error code is accompanied by the message Boot Device Not Found. Please install the operating system on the hard drive 3f0 and indicates that the system could not find the hard drive. We have prepared several solutions to […]

Troubleshooting VT-x Is Not Available (VERR_VMX_NO_VMX)

This guide provides instructions to resolve the following error in VirtualBox: “Failed to open session for virtual machine (VM MachineName). VT-x not available (VERR_VMX_NO_VMX) with result code: E_FAIL (0x80004005). The VirtualBox “VT-x not available” error occurs on a computer running Windows 10 Pro with a Gigabyte Z370 HD3P motherboard and an Intel Core i7-8700 processor […]

Fix missing title bar, minimize, maximize and close buttons

The Title Bar also contains the Minimize, Maximize, and Close buttons. However, sometimes a failure can prevent the Header Bar, Minimize, Maximize, and Close buttons from appearing in Explorer, in a built-in tool, or in an installed program. This error is caused by a number of factors, such as corruption of certain system files, errors […]