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joyar.sys

About this tag
The tag joyar.sys refers to a Windows system driver file that, when missing or corrupted, can cause boot failures with error code 0xc0000039. This issue has been reported on systems upgraded from Windows XP to Windows 7. Common symptoms include the computer failing to boot into any mode, including safe mode or last known good configuration. The error message indicates that the driver win32/drivers/joyar.sys is missing. Troubleshooting steps discussed include using the Windows 7 installation disk to access repair options or performing a full reformat and reinstall. The tag covers user experiences and solutions for resolving this specific driver-related boot problem.
  1. marbringer

    Windows 7 Windows 7 Missing Driver Joyar.sys

    Hi! My father's computer been broken and he thought it was a virus attack. The problem is that it won't boot even though I tried all the choices (safe mode, boot from last good configuration,etc.). None of them worked. It kept repeating and repeating. It's an upgraded version from Windows XP...
    • marbringer
    • Thread
    • boot issues boot options computer help driver issues error file system joyar.sys missing drivers os recovery reformat solution repair install safe mode system error tech support troubleshooting upgrade virus attack windows 7 windows xp
    • Replies: 1
    • Forum: Windows Help and Support
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