Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

How to Fix WSL Ubuntu No Internet Access

If your WSL Ubuntu instance has no internet access, you're not alone. This usually happens after ...

Fix 'Authentication Failed' Errors in Windows Server CMD

When you see 'authentication failed' while running commands in Windows Server's command prompt, i...

Fix Slow Windows Update Downloads on Mac via Boot Camp or VM

If you're running Windows on a Mac via Boot Camp, Parallels Desktop, or VMware Fusion, you might ...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'

You open Outlook and see: "Cannot start Microsoft Outlook. Cannot open the Outlook window."

How to Fix Task Scheduler 504 Gateway Timeout
If you see a 504 Gateway Timeout error when running a scheduled task, the task itself isn't the p...

Issue queue
Sitemap
How to Fix Windows Activation Update Error 0x80070057
Fix 'Windows Defender Module Not Found' Error
Task Scheduler Rate Limit Error Troubleshooting Guide
Fix Chrome Extension Permission Denied Error
Troubleshooting Teams DNS Connection Problems in Windows 10
PowerShell Disappeared After Windows Update Fix
Windows 10 Microsoft Teams Not Connecting: How to Fix
Windows 11 Microsoft Store network error fix
Fix RDP Authentication Error 0x80090322
Microsoft Store Not Opening? Clear the Corrupted Cache
How to Enable Task Scheduler Logging for Crashes
Fix PowerShell Crashing Repeatedly on Windows 11
Desk note

Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities