Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.
Work through these checks
0 of 4 complete01Fix registry keys for Windows Update
Fix registry keys for Windows Update.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
02Run CHKDSK disk repair
Run CHKDSK disk repair.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
03Reset Windows Update components
Reset Windows Update components.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
04Verify system files using SFC
Verify system files using SFC.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
Possible causes
- Corrupted registry keys
- File system corruption
- Interrupted Windows updates
- Insufficient disk space
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