Q: Why does the error say “hot” at the end?
A: The hot tag is a registry artifact indicating a device that was detected after boot (hot plugged) or a corrupted enumeration due to a failed driver load. Deleting the registry key (Method 5) typically removes it.
Q: Can I just delete wudfrd.sys from System32?
A: Absolutely not. wudfrd.sys is a critical Windows system file. Deleting it will break all user-mode drivers (printers, scanners, cameras, etc.). Q: Why does the error say “hot” at the end
Q: Will resetting my PC fix this error?
A: A full reset (keeping files) will likely fix it, but try Methods 1–6 first. A reset is time-consuming and should be a last resort. This forces Windows to rebuild the corrupt driver entry
Q: Does this error indicate a hardware failure?
A: Rarely. In over 90% of cases, the problem is software/driver corruption. If all fixes fail and the error persists across a clean Windows installation, your IR camera hardware may be faulty. Check Services:
This forces Windows to rebuild the corrupt driver entry.
The following steps outline the standard resolution path, ordered from least invasive to most comprehensive.