How To Fix Code 49 (Error 49)


Icon ExError Number:Error 49
Error Name:Code 49
Error Description:Windows cannot start new hardware devices because the system hive is too large (exceeds the Registry Size Limit).
Developer:Microsoft Corporation
Software:Windows Operating System
Applies to:Windows XP, Vista, 7, 8, 10, 11

In most cases, Code 49 file problems are due to the 49-related file missing or being corrupted by malware or virus. Downloading and replacing your Windows 10 file can fix the problem in most cases. In some cases, the Device Manager is attempting to load a Code 49-related driver that is incompatible or outdated for your OS, therefore we recommend running a driver scan to identify any obsolete device drivers.

Code 49 Errors

Most Code 49 errors encountered will be BSOD (Blue Screen of Death) errors, also known as a "STOP" error:

  • "Code 49 error has caused Windows to shut down to prevent computer damage."
  • ":( An error from Code 49 has caused a problem and your PC must restart."
  • "0x0A: IRQL_NOT_LESS_EQUAL – Code 49"
  • "STOP 0x0000001E: KMODE_EXCEPTION_NOT_HANDLED – Code 49"
  • 0x050 - Code 49: PAGE_FAULT_IN_NONPAGED_AREA – Code 49

The majority of Code 49 BSOD errors happen after fresh install of new hardware or software (49). 49-related Code 49 errors often happen during the install of a Code 49-related software, during Windows shutdown or startup, or while a Microsoft Corporation-related device driver is being loaded. Keeping track of when and where your STOP error occurs is a critical piece of information in troubleshooting the problem.Notating when Code 49 STOP errors happen is paramount in finding the cause of the 49-related problems and reporting them to Microsoft Corporation for help.


Code 49 Problem Causes

BSOD problems involving Code 49 are generally created by related hardware, software, device drivers, or firmware. These could be related to either 49 software or Microsoft Corporation hardware, but it is not necessarily the case.

In particular, these Code 49 issues originate through:

  • Outdated, misconfigured, or corrupted 49 device drivers.
  • Corrupted or invalid Code 49 registry from 49 or hardware-related change.
  • Malware infestation corrupted Code 49 file or associated 49 files.
  • Hardware conflict after installing new Microsoft Corporation hardware, or hardware related to Code 49.
  • Damaged system files (eg. Code 49) after failed driver or 49 install.
  • Hard drive failure associated with Code 49 Blue Screen of Death.
  • Code 49 STOP error due to memory (RAM) corruption.

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