What is KMODE-EXCEPTION-NOT-HANDLED?
0x0000001E BSOD is a critical-severity Windows operating system issue. A kernel process generated an exception that the system could not handle. It usually points to faulty drivers or memory. Follow the steps below to fix it.
Common Causes
- Corrupt hardware drivers
- System service conflict
- Defective RAM memory
Step-by-Step Fix Guide
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1
Update or rollback the driver (Rollback driver)
Update or rollback the driver (Rollback driver) tends to be the quickest win here, addressing the most typical cause of KMODE_EXCEPTION_NOT_HANDLED.
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2
Test the RAM with diagnostics
When the first step isn't enough, the later steps handle the edge cases tied to windows instability.
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3
Check for recent OS updates
"Check for recent OS updates" handles an edge case some users report with KMODE-EXCEPTION-NOT-HANDLED.
Commands & Diagnostics
verifier /standard /all
mdsched.exe
Frequently Asked Questions
Corrupt hardware drivers accounts for the majority of KMODE-EXCEPTION-NOT-HANDLED reports; system service conflict and defective RAM memory come up less often but are documented.
Try "Update or rollback the driver (Rollback driver)" first — it resolves most KMODE-EXCEPTION-NOT-HANDLED cases on its own. Only work through the rest of the guide above if it comes back.
Treat KMODE-EXCEPTION-NOT-HANDLED as urgent — it's flagged critical severity, meaning repeated occurrences risk data loss or hardware damage.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including KMODE-EXCEPTION-NOT-HANDLED. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
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