How to fix “An attempt to delay-load a .dll or get a function address in a delay-loaded .dll failed. [ERROR_DELAY_LOAD_FAILED (0x505)]” – Error Code 1285


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Error Code 1285

Error code Error Code 1285 is a common Windows issue that typically arises from “An attempt to delay-load a .dll or get a function address in a delay-loaded .dll failed. [ERROR_DELAY_LOAD_FAILED (0x505)]”.

Overview

Error Code 1285, “An attempt to delay-load a .dll or get a function address in a delay-loaded .dll failed,” is commonly associated with a failed attempt to load a Dynamic Link Library (DLL) file into memory. DLLs are essential components of Windows that provide specific functionality to applications. When this error occurs, it typically hinders the proper execution of programs or system processes.

Identifying the Problem

Common Symptoms

  • Inability to launch or run specific applications
  • System instability, including random crashes or freezes
  • Error messages or notifications indicating a problem with a DLL file

Potential Causes

  • Corrupted or missing DLL files
  • Security software interfering with DLL loading
  • Outdated or incompatible DLL versions

Common Fixes

Check for Missing or Corrupted DLLs

  • Open the Command Prompt as administrator.
  • Run the command: sfc /scannow
  • This System File Checker (SFC) tool will scan and repair any corrupted or missing system files, including DLLs.

Disable Antivirus Software Temporarily

  • Some antivirus software can flag DLL files as suspicious and block their loading.
  • Disable your antivirus temporarily and try running the affected program again.

Re-register Essential DLLs

  • Run the Command Prompt as administrator again.
  • Type in the following command, replacing dllname.dll with the specific DLL file that is causing the issue:
    regsvr32 /u dllname.dll
    regsvr32 dllname.dll

Update or Reinstall Affected Programs

  • Check if the affected program or system component has any pending updates available.
  • Reinstalling the program can also resolve issues related to corrupted or outdated DLLs.

Advanced Troubleshooting

Check Event Viewer for More Details

  • Open the Event Viewer by searching for it in Windows Search.
  • Navigate to “Windows Logs” -> “System.”
  • Look for any entries related to Error Code 1285, which may provide additional context on the failed DLL.

Use ProcMon to Identify DLL Loading Failures

  • Download and run ProcMon utility.
  • Filter by “Result” and “Error 5” to identify failed DLL loading attempts.
  • This can help you pinpoint the specific DLL and application causing the issue.

Perform a Clean Boot

  • Start Windows in Clean Boot mode by disabling all non-essential services and programs.
  • Try running the affected program again to see if the error persists. If it does, a third-party software may be interfering.

Conclusion

Error Code 1285 can be a frustrating issue, but following the solutions outlined in this article can help you resolve it effectively. Remember to check for missing or corrupted DLLs, disable antivirus software temporarily, re-register essential DLLs, update or reinstall affected programs, and use advanced troubleshooting techniques if necessary. By addressing this issue promptly, you can ensure the smooth operation of your Windows system.