Blue screen: KMODE_EXCEPTION_NOT_HANDLED (0x0000001E)
A kernel-mode program raised an exception nothing handled — usually a driver; sometimes caused by Fast Startup or RAM.
Stop code: KMODE EXCEPTION NOT HANDLED Meaning
Network adapters, storage controllers and antivirus drivers are frequent culprits. If it happens at boot, disabling Fast Startup or booting into Safe Mode to remove the driver helps.
Common causes
- Faulty driver (network, storage, antivirus)
- Fast Startup resuming a bad driver state
- Faulty RAM
- Incompatible software after upgrade
⚡ Quick fix
- Update/roll back the named driver
- Disable Fast Startup
- Test RAM
Detailed fix by platform
Windows
- powershell
powercfg /h off # disables hibernation and Fast Startup mdsched.exe
How to diagnose
- Driver — Named .sys file
- Timing — At boot or under load?
🔧 Still not fixed?
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Where this error sits
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Last updated 13 Oct 2026