How to Free Up a Port in Command Prompt (Windows)
When an application fails to start because a port is already in use, you need to free that port. ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams Crashing on Windows 10
If Microsoft Teams keeps crashing on your Windows 10 PC, it's usually due to a corrupted cache, o...
Fix Outlook Error 0x80040115: Service Unavailable
When Outlook shows error 0x80040115 and says the service is unavailable, it usually means the pro...
Fix Windows Update Stuck at 100% Pending Install
You've waited for a Windows update to finish, but it's stuck at 100% with a 'Pending install' mes...
Fix Chrome Not Connecting to Internet Network Error
When Chrome shows a 'No internet' or 'ERR_INTERNET_DISCONNECTED' error but other apps work fine, ...
Fix Outlook Invalid Configuration Settings Not Working
You open Outlook and see an error about invalid configuration settings. The program may fail to s...
Topic paths
Quick titles
Windows Search Invalid Configuration Recovery StepsPowerShell Crash Fix: Reset Settings GuideOutlook Service Unavailable in Safe Mode FixResolve Task Scheduler Update Error 0x80041315How to Fix Task Scheduler File Lock ErrorsMicrosoft Teams Mic Not Working After Update: FixesHow to Resolve Task Scheduler Token ExpirationHow to Fix Microsoft Teams Authentication Error