Checklists for software errors, setup, and tool workflows.

Fix Windows Security Proxy Error: Permission Denied

When Windows Security displays a "proxy error: permission denied" message, it usually means the s...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

• Microphone permissions disabled for Teams in Windows settings.

How to Fix PowerShell DNS Errors in Windows

When PowerShell throws a DNS error—like "DNS name does not exist" or "Cannot resolve the server n...

How to Fix Microsoft Teams Screen Sharing Not Working

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

Fix Windows Update 'Path Not Found' Error

When running Windows Update, you might see an error like 0x80070003 - Path Not Found...

Maven Dependency Resolution Failed: A Practical Checklist

When Maven fails to resolve dependencies, you typically see an error like Failed to collect...