Fix 'java' Not Recognized in Command Prompt on Windows
When you type java -version or javac in Command Prompt and get 'jav...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix 'PowerShell Path Not Found' Error in Windows 10 Setup
When setting up Windows 10, you may encounter an error stating that the PowerShell path is not fo...
How to Fix Windows Security Service Unavailable
When Windows Security shows "Service unavailable" or a red banner, your antivirus and firewall pr...
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Reset PowerShell Invalid Configuration Settings: Step-by-Step Fix
You open PowerShell and see an error about invalid configuration settings—perhaps a yellow warnin...
Fix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...