How to Fix Docker Error: Port Is Already Allocated
Fix the Docker 'port is already allocated' error: find what's using the port with docker ps, ss, and lsof, then free it or change the mapping.
Sysadmin Desk Jun 13, 2026 8 min read
#Troubleshooting
7 guides
How to Fix Teams Camera Not Working
Teams camera not working? Fix it with Windows privacy settings, the right device selection, freeing a camera held by another app, drivers, and a cache clear.
MCSA Guru Team Jun 4, 2026 8 min read
How to Fix Truncated PowerShell Output
Fix truncated PowerShell output in the console, text files, and reports with Format-Table -Wrap, Out-File -Width, CSV exports, and FormatEnumerationLimit.
MCSA Guru Team Jun 2, 2026 9 min read
Pillar Guide
Microsoft Teams Meeting Not Working: Complete Troubleshooting Guide
Teams meeting not working? Fix join failures, dead camera and mic, broken screen share, audio drops, and the missing Outlook add-in with this step-by-step guide.
MCSA Guru Team May 30, 2026 12 min read
How to Fix Outlook Keeps Asking for Password in Microsoft 365
Outlook keeps asking for your Microsoft 365 password? Work through cached credentials, modern auth, MFA, and broken profiles with these step-by-step fixes.
MCSA Guru Team May 28, 2026 12 min read
How to Fix VirtualBox VT-x Is Not Available (Conflict with Hyper-V)
VirtualBox says VT-x is not available (VERR_VMX_NO_VMX)? Here's how to free your CPU virtualization from Hyper-V, Memory Integrity, and WSL2 — and fix it for good.
Sysadmin Desk May 24, 2026 11 min read
Pillar Guide
How to Fix Active Directory Replication Error 1722: The RPC Server Is Unavailable
A practical, step-by-step guide to diagnosing and fixing Active Directory replication error 1722 — the RPC server is unavailable — from DNS to firewall to RPC ports.
MCSA Guru Team May 20, 2026 7 min read