The Problem: The error message "GetContextState failed, 0x80070026" accompanied by "Unable to get current machine context, Win32 error 0n38" indicates a failure in retrieving the current machine context. This issue can lead to system instability, crashes, or failure to execute certain operations. The error is often seen in debugging logs and can be challenging to diagnose due to its generic nature.

Problem Analysis: The symptoms of this problem include repeated error messages in the event logs or debugging tools, such as:

GetContextState failed, 0x80070026
Unable to get current machine context, Win32 error 0n38
SYMBOL_NAME:  ANALYSIS_INCONCLUSIVE
MODULE_NAME: Unknown_Module
IMAGE_NAME:  Unknown_Image
STACK_COMMAND:  .cxr; .ecxr ; kb
FAILURE_BUCKET_ID:  CORRUPT_MODULELIST_0xEF
OSPLATFORM_TYPE:  x64
OSNAME:  Windows 10
FAILURE_ID_HASH:  {622df55c-925d-d478-30ae-d5699ff4662f}
PROCESS_NAME:  Unknown
Followup:     MachineOwner
---------
GetContextState failed, 0x80070026
Unable to get current machine context, Win32 error 0n38
GetContextState failed, 0x80070026
ReadControl failed - kernel symbols must be loaded first
WARNING: Unable to reset page directories
GetContextState failed, 0x80070026
Unable to get current machine context, Win32 error 0n38

These messages suggest that the system is unable to retrieve necessary context information, which is crucial for debugging and system operations.

Root Cause: The root cause of this issue can vary, but common causes include:

1. Corrupted System Files: Essential system files may be corrupted, preventing the system from retrieving context information.
2. Driver Issues: Incompatible or outdated drivers can interfere with system operations.
3. Memory Corruption: Faulty RAM or memory corruption can lead to failures in context retrieval.
4. Software Conflicts: Conflicts between installed software can cause instability and errors in context management.

Solution: To resolve the "GetContextState failed, 0x80070026" error, follow these steps:

1. Run System File Checker (SFC) and DISM:

   • Open Command Prompt as an administrator.
   • Run the following command to check and repair corrupted system files:

     sfc /scannow

   • After SFC completes, run the following DISM command to repair the Windows image:

     DISM /Online /Cleanup-Image /RestoreHealth

2. Update Drivers:

   • Open Device Manager.
   • Check for any devices with a yellow exclamation mark, indicating driver issues.
   • Right-click on the device and select "Update driver".
   • Follow the prompts to update the driver.

3. Check for Memory Issues:

   • Open Windows Memory Diagnostic by typing mdsched.exe in the Run dialog (Win + R).
   • Choose to restart now and check for problems.
   • Allow the diagnostic tool to complete and check the results.

4. Resolve Software Conflicts:

   • Boot into Safe Mode to see if the problem persists. If it does not, a third-party application may be causing the issue.
   • Use the System Configuration tool (msconfig) to perform a clean boot:
     • Open the Run dialog (Win + R) and type msconfig.
     • Go to the "Services" tab, check "Hide all Microsoft services", and then click "Disable all".
     • Go to the "Startup" tab and click "Open Task Manager".
     • Disable all startup items.
     • Restart the computer and check if the issue persists.

5. Check Event Logs:

   • Open Event Viewer and navigate to Windows Logs > System.
   • Look for any critical errors or warnings around the time the issue occurs.
   • Investigate and resolve any related errors.

By following these steps, you should be able to diagnose and resolve the "GetContextState failed, 0x80070026" error, ensuring system stability and functionality.