Windows 11

The system cannot open the device or file specified
Troubleshoot

“The system cannot open the device or file specified” (Fix)

If you encounter the error “The system cannot open the device or file specified” (sometimes accompanied by an error code such as 2755) when running an installer in Windows 11 or 10, [...]

By Nyau Wai Hoe, ago
Troubleshoot

Remove “Choose an Operating System” in Windows 11/10

If you encounter the “Choose an operating system” screen every time you start or restart your Windows 11/10 computer, it means you have multiple Windows installations on your system. [...]

By Nyau Wai Hoe, ago
Disk Cleanup stuck on compress os drive
Troubleshoot

Disk Cleanup Stuck on Calculating Mixed Reality

When using the Disk Cleanup tool in Windows 10 or 11, you may encounter an issue where the tool gets stuck on a specific process called “Calculating Mixed Reality,” eventually [...]

By Nyau Wai Hoe, ago
Game Stuttering Dual Monitor Full screen
Gaming

Game Stuttering and Lag on Dual Monitor (Fix)

Are you experiencing constant stuttering in games on your primary monitor when the second monitor is playing or streaming video from sites like Twitch or YouTube? This issue affects both [...]

By Nyau Wai Hoe, ago
Second Monitor Not Detected by Integrated graphics Windows 10
Nvidia

Second monitor not detected Intel HD Graphics Windows 11/10

If you have ever tried to add a second monitor to your PC using your onboard built-in GPU via HDMI, DVI, or VGA and found that Windows 11 or Windows 10 couldn’t detect it, this case is for [...]

By Nyau Wai Hoe, ago
Windows Installer Folder Safe to Delete
Troubleshoot

Is it safe to delete the C:\Windows “Installer” Folder?

If you’ve been using your Windows computer for a long time without a reformat, you might have noticed that the “C:\Windows\Installer” folder has grown into a giant-sized [...]

By Nyau Wai Hoe, ago
Rename Windows.old access denied
Troubleshoot

Delete Windows.Old Folder in Windows 11/10, Access Denied?

If you have multiple Windows installations on your computer, you may find that some of them are no longer in use, but still taking up valuable disk space. Each Windows folder can occupy around [...]

By Nyau Wai Hoe, ago
Changing Ethernet Network Speed from 100 Mbps to 1 Gbps Gigabit
Network

Change Ethernet from 100Mbps to 1Gbps in Windows 11/10

If the Ethernet Network status window in Windows 11 or Windows 10 shows 100 Mbps (sometimes 10 Mbps) as the speed value, and you are attempting to change it to 1 Gbps, this guide will explain [...]

By Nyau Wai Hoe, ago
Windows 10 Closing 1 App and Shutting Down task host window
Troubleshoot

Closing 1 App and Shutting Down in Windows 11/10 (Fix)

Are you having trouble shutting down your PC? Does your screen get stuck at the message “Closing 1 App and Shutting Down” every single time? This article will explain what it means [...]

By Nyau Wai Hoe, ago
Disable Proxy Settings Registry Windows 10
Network

How to Disable Proxy Settings in Windows 11/10 Permanently

Proxy settings are configuration settings that allow a device to connect to the internet through a specific proxy server. In Windows 11/10, these settings can be changed by malicious programs or [...]

By Nyau Wai Hoe, ago