Windows · Office · Apps troubleshooting
When your PC acts up, start here.
Type the error code or describe what went wrong. Every guide starts with the safest fix first and tells you exactly when to move on to the next step.
C:\> sfc /scannow
Verification 100% complete.
! found corrupt files, repaired some
C:\> DISM /Online /Cleanup-Image /RestoreHealth
[==========100.0%==========]
✓ The restore operation completed successfully.
C:\> _
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What’s going wrong?
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Latest fixes
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“The Windows RE Image Was Not Found”: How to Fix and Re-enable WinRE
reagentc says “The Windows RE image was not found”? Check the WinRE status, re-enable it, reset ReAgent.xml, or copy a fresh Winre.wim…
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“Windows Resource Protection Could Not Perform the Requested Operation”: 7 Fixes
SFC /scannow stopping with “Windows Resource Protection could not perform the requested operation”? Restart, start the Windows Modules Installer service, run DISM…
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How to Add a Shared Mailbox in Outlook (Windows, Mac, Web and Mobile)
How to add a shared mailbox in classic Outlook, new Outlook, Outlook on the web, Mac and mobile, how to send from…
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“The Local Device Name Is Already in Use”: How to Fix Mapped Drives
Getting “The local device name is already in use” (system error 85) on a mapped network drive? Delete the stuck mapping, pick…
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Camera Error 0xA00F4244 (NoCamerasAreAttached): How to Fix It
“We can’t find your camera” with error 0xA00F4244 NoCamerasAreAttached? Check the camera key and privacy settings, then fix the driver, antivirus and…
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How to Scan for Malware on Windows 11 and 10 (Free, Built-In Tools)
How to scan your Windows PC for malware with free, built-in tools: update Windows Security, run quick, full and offline scans, get…
How every guide is built
01 / THE EXACT PROBLEM
We start from the error message or symptom you actually see, and explain what causes it in plain words.
02 / SAFEST FIX FIRST
Quick, low-risk steps come first. Anything that changes system settings comes later, with a warning.
03 / WHERE IT APPLIES
Each guide says which Windows or app versions it covers, so you don’t follow steps meant for a different system.
04 / KEPT CURRENT
When Windows or Office changes, guides are reviewed and the update date is shown at the top.