How to Install Windows Sandbox in Windows 10 and 11

install Windows Sandbox via OptionalFeatures.exe

This article explains how to uninstall and reinstall Windows Sandbox in Windows 10 and 11.

Windows Sandbox provides a lightweight desktop environment to safely run applications in isolation. Software installed inside the Windows Sandbox environment remains “sandboxed” and runs separately from the host machine.Read more

Accidentally Allowed a Threat in Windows Defender. What to do now?

Defender Allowed Threats reset

When Microsoft Defender Antivirus finds a virus, it asks you what action to take on the threat. The options are “Remove”, “Quarantine”, and “Allow on device”.

You may wonder:

  1. What happens if you’ve accidentally clicked “Allow” instead of “Remove”?
  2. What happens to the “allowed” threat? Will Microsoft Defender Antivirus redetect the item during the next scan?

Read more

Can’t Open CMD.exe After Uninstalling Python/Anaconda; Exit Code 1

vscode cmd.exe error 1

After uninstalling Python/Anaconda on your Windows computer, Command Prompt may not open. When you run cmd.exe, it flashes on the screen and immediately quits. Also, running DISM and SFC (to repair corrupt system files), repairing Windows installation, and running a thorough malware scan may not fix the issue.Read more

Fix: Can’t Install Appx, AppxBundle, and Msixbundle Files in Windows

appx, appxbundle, msixinstaller don't run

The file types .Appx, .AppxBundle, and .Msixbundle are app installer or setup packages. On a default Windows 10 or 11 installation, you can double-click these file types to run them. But, if the App Installer (a.k.a, “Desktop Installer”) Store app is removed from the system, the .Appx, .AppxBundle, and .Msixbundle files don’t run when double-clicked.Read more