Windows Guides
Download nowLonger explanations for the problems that a single how-to cannot cover: repair strategy, log analysis and troubleshooting workflows.
Updated August 9, 2026 · PC Utility Hub Editorial Team
Diagnose, then change one thing
The fastest troubleshooting method is also the most boring: reproduce the problem, capture evidence, change one variable, and test again. Stacking five fixes at once usually hides which one worked and creates new problems.
In this section
CHKDSK Stuck Troubleshooting
How to diagnose and recover from a chkdsk scan that appears frozen.
Chris Titus Tech's WinUtil
How Chris Titus Tech's open-source WinUtil PowerShell tool works, how to launch it safely, and cautions about its debloat/tweak scripts.
Process Explorer Troubleshooting
Practical scenarios for using Process Explorer to diagnose file locks, CPU spikes, DLL problems, and suspicious processes.
SFC Can't Repair Some Files
Troubleshooting steps for unfixable SFC errors: DISM, CBS.log analysis, and offline SFC from WinRE.
Windows Repair Tools
Overview of current Windows repair tools and what replaced the discontinued Microsoft Fix It utility.
Related pages
- How-ToStep-by-step instructions with exact commands and menu paths.
- System ToolsSFC, DISM, servicing cleanup and Windows repair utilities.
- Diagnostic ToolsProcess, memory, event and performance diagnostics for Windows.
- Disk ToolsCHKDSK, DiskPart, Disk Cleanup, Optimize Drives and Disk Management.
- ComparisonsSide-by-side breakdowns of overlapping Windows utilities.