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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“Your organization has deleted this device” (700003): how to fix it
Seeing “Your organization has deleted this device” with error 700003 in Outlook, Teams or Office? Disconnect and reconnect your work account, clear…
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Code 28: “The drivers for this device are not installed” (7 fixes)
Device Manager shows Code 28, “The drivers for this device are not installed”? Find the right driver with Windows Update, the hardware…
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How to upgrade Windows 10 Home to Pro (3 ways)
How to upgrade Windows 10 Home to Pro, or Windows 11 Home to Pro, with the Microsoft Store, a product key or…
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How to delete Windows.old in Windows 11 and 10
How to delete the Windows.old folder safely in Windows 11 and 10, with Settings, Disk Cleanup or Command Prompt, what to check…
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Error 0x800f081f: how to fix it in Windows 11 and 10
Error 0x800f081f means Windows can’t find the source files for .NET Framework 3.5, a DISM repair or an update. Here’s how to…
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Microsoft Edge won’t open? 7 fixes for Windows 11 and 10
Microsoft Edge won’t open on Windows 11 or 10? End stuck processes, recover an off-screen window, start without extensions, repair Edge from…
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.