Use Windows' System File Checker to scan for and repair damaged or missing system files.
sfc /scannow

Category: Windows Tags:
notepad.exe C:\Windows\System32\drivers\etc\hosts
Review your hosts file for suspicious IP mappings. Enter this command at Start > Run.

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netsh firewall show allowedprogram
Show programs allowed through Windows Firewall for the Domain and Standard profiles.

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msconfig.exe
Launch the Windows System Configuration Utility gui from the Start > Run prompt. This gui tool allows you to change startup and boot options.

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tasklist /svc
Shows the Image, PID, and services that are currently running.

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route print
Check your Windows routing table for issues.

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wmic startup list full
Use wmic to display full details of Windows start up processes.

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wmic share get
Displays Windows share information including Name, Path, Status, and Type.

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wmic computersystem list brief
Show basic Windows system information including Domain, Manufacturer, Model, and Name. Important to know if you are running inside of a Virtual Machine.

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