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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Desktop icons missing: how to fix them on Windows 11
Desktop icons missing on Windows 11? Turn on Show desktop icons, restore system icons, check OneDrive folder backup, restart Explorer, find lost…
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Zoom microphone not working: how to fix it on Windows 11
Zoom microphone not working on Windows 11? Unmute, pick the mic in Zoom’s Audio settings, allow desktop app mic access, close other…
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Steam not opening: how to fix it on Windows 11
Steam not opening on Windows 11? End stuck Steam processes, run it as admin once, clear appcache, check security software, clean boot,…
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Headphones not detected: how to fix it on Windows 11
Headphones not detected in Windows 11? Check Output and disabled devices, reseat the plug, rescan in Device Manager, re-pair Bluetooth, fix drivers.
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DNS server not responding: how to fix it on Windows 11
DNS server not responding on Windows 11? Restart the router, flush DNS, see which DNS server Windows uses, switch servers in Settings…
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OneNote not syncing: how to fix it on Windows 11
OneNote not syncing? Force a sync, turn automatic sync back on, fix sign-in errors and stuck sections, and look up OneNote sync…
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.