🎮 Common Scenario: Are you experiencing Error 326 while launching or installing Photoshop? The solutions below directly address the system interactions specific to this application.
The Ultimate Auto-Fix Script
Download our advanced, custom-built Smart Diagnostic Script (.bat). It safely creates a System Restore Point, applies targeted fixes based on advanced diagnostics for Error 326, and generates a detailed HTML repair report.
What is Error 326?
Windows System Error Code 326, known as ERROR_FILE_LEVEL_TRIM_NOT_SUPPORTED, is a General System error that occurs during core Windows operations. The error indicates that: Device does not support file-level TRIM. When this error is encountered, the Windows operating system was unable to complete the requested operation within the system services subsystem. The error code 326 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_FILE_LEVEL_TRIM_NOT_SUPPORTED maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within core Windows operations is essential for effective troubleshooting.
Common Causes
- Device driver is outdated or incompatible with the current Windows version
- A recent Windows Update broke driver compatibility
- The driver has a memory access violation (IRQL_NOT_LESS_OR_EQUAL)
- Hardware is failing and the driver cannot communicate with the device
Mastering the Windows Command Line: WMIC, Netsh, and Diskpart
An expert's guide to using native Windows command-line utilities for deep diagnostic reporting, network tracing, and disk volume management.
Read the full guide →Step-by-Step Solutions
- Open Device Manager (devmgmt.msc)
- Look for any device with a yellow warning triangle
- Right-click the device → Update driver → Search automatically
- If no update is found, visit the manufacturer's website for the latest driver
- For GPU drivers: use NVIDIA GeForce Experience, AMD Adrenalin, or Intel Driver Assistant
Video Tutorials
Diagnostic Command
Run this PowerShell command to find related events in your system log:
Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*326*" -or $_.Message -like "*ERROR_FILE_LEVEL_TRIM_NOT_SUPPORTED*"} | Format-List
💡 Open PowerShell as Administrator, paste the command above, and press Enter.
Prevention Tips
- Set up automatic driver updates through Windows Update or manufacturer tools
- Create a System Restore point before major driver updates
- Avoid installing beta or unsigned drivers on production systems