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0XC000035F

The driver was not loaded because the system is starting in safe mode

Home / Error Codes / Files and storage / 0XC000035F

Microsoft defines 0XC000035F as STATUS_NOT_SAFE_MODE_DRIVER: The driver was not loaded because the system is starting in safe mode.

SeverityMediumSystemsWindows 10 / 11SymbolSTATUS_NOT_SAFE_MODE_DRIVERUpdatedSep 1, 2026

Overview

0XC000035F is the NTSTATUS representation of STATUS_NOT_SAFE_MODE_DRIVER. The code identifies the documented condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Common causes

  • The affected operation returned the official STATUS_NOT_SAFE_MODE_DRIVER condition
  • The calling program encountered the documented result: The driver was not loaded because the system is starting in safe mode.
  • A configuration, resource, or dependency used by the files and storage operation did not meet its requirements
  • A recent program, service, installer, or system change altered the context in which 0XC000035F occurs

Symptoms

  • Confirm which operation returned 0XC000035F
  • Match 0XC000035F to events from the same timestamp
  • Retest once and preserve any changed result

Prevention

  • Preserve Application and System events that accompany 0XC000035F
  • Use supported installers and configuration methods for the affected files and storage workflow
  • Document changes so the operating context for STATUS_NOT_SAFE_MODE_DRIVER can be reconstructed

0XC000035F diagnostic evidence

Official-definition grounded

Use the code identity and the affected operation together. The same numeric result can appear in different workflows, so logs and symptoms determine the safest repair branch.

Hexadecimal0XC000035F
Unsigned decimal3221226335
SymbolSTATUS_NOT_SAFE_MODE_DRIVER
Error familyFiles and storage
Severity bitFailure
Evidence sourceMicrosoft Open Specifications [MS-ERREF] NTSTATUS Values
1Confirm the operationConfirm which operation returned 0XC000035F
2Collect matching evidenceMatch 0XC000035F to events from the same timestamp
3Retest the same actionRetest once and preserve any changed result

Definition source: Microsoft Open Specifications [MS-ERREF] NTSTATUS Values. This report preserves the official code identity and does not claim one universal cause.

How to troubleshoot error 0XC000035F

Use these Windows-native steps in order. Stop when Windows Update works again; advanced repair commands are not necessary on every PC.

1

Restart Windows and retry the update

Save your work, restart the PC, then open Settings > Windows Update and select Check for updates. A restart can release pending files without changing Windows configuration.

2

Run the Windows Update troubleshooter

Open Settings > System > Troubleshoot > Other troubleshooters. Locate Windows Update and select Run. Current Windows 11 versions may continue the diagnostic flow in Get Help.

3

Repair Windows components when indicated

If troubleshooting still reports missing or damaged components, open Terminal as administrator, run DISM RestoreHealth, and then run System File Checker. Do not interrupt either scan.

Before advanced repair: Back up important files. Managed work or school PCs may use organization update policies, so contact the administrator before changing services or update components.

Official-source grounding

The error meaning is grounded in Microsoft Open Specifications [MS-ERREF] NTSTATUS Values. The visual sequence also follows Microsoft Support guidance for Windows Update troubleshooting and Microsoft DISM repair guidance. Causes and repair steps vary by system evidence; this report does not claim a universal success rate.

Frequently asked questions

What does 0XC000035F mean?

Microsoft defines 0XC000035F as STATUS_NOT_SAFE_MODE_DRIVER: The driver was not loaded because the system is starting in safe mode. 0XC000035F is the NTSTATUS representation of STATUS_NOT_SAFE_MODE_DRIVER. The code identifies the documented condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Is 0XC000035F always caused by the same problem?

No. The code identifies a failure condition, but the exact cause depends on the affected operation, Windows build, logs, and recent system changes.

Can Advanced System Repair help with 0XC000035F?

Advanced System Repair can scan for damaged Windows components and related system issues. No tool can guarantee one universal fix; preserve backups and match repair steps to the evidence on the affected PC.