Repair Windows Error 623    |    System Error Code 623    |    Fix Windows Registry Errors

System Error Code 623

System error code 623 is typically displayed as "ERROR_ILLEGAL_DLL_RELOCATION" and/or as the hexidecimal value 0x26F. The message associated with this error code is "{Illegal System DLL Relocation} The system DLL %hs was relocated in memory. The application will not run properly. The relocation occurred because the DLL %hs occupied an address range reserved for Windows system DLLs. The vendor supplying the DLL should ".

Common Causes of System Error Code 623

System Error Code 623 is commonly caused by:

  • Windows Registry Damage or Corruption
  • Device Driver Conflicts
  • Hardware Malfunction
  • Virus or Spyware Infection
  • Software File Damage or Corruption

Steps to Prevent System Errors

Most System Errors can be avoided with simple pc maintenance procedures. Below are listed a few tasks for you to familiarize yourself with to keep your pc running at it's best:

  • Keep your operating system, software applications and device drivers updated with the latest hot fixes, security releases and updates.
  • Use caution when opening email attachments and avoid visiting dubious web sites.
  • Always scan files you download for viruses before accessing them.
  • Perform regular anti-virus and spyware scans to protect your PC from dangerous malware. Keep these applications updated to protect your pc against the latest malware threats.
  • Perform regular registry maintenance. The majority of computer system errors come from a damaged or corrupt registry. Using this simple tool will provide you with an easy to use user interface where you can scan and repair errors with just a few clicks. No advanced knowledge is required.

Helpful Tools

The following products are free to try. We have found them to be of the highest quality and value. They have been extremely useful in our own pc troubleshooting and maintainance and we highly recommend trying them out for yourself.

XoftSpySE Anti-Spyware

With a lightning fast free scan and the largest authentic spyware detection database we have seen, XoftSpySE Anti-Spyware finds and removes threats that other spyware programs fail to detect. Download XoftSpySE Anti-Spyware


DriverCure will scan your system for driver and software updates. Its easy to use interface makes keeping your drivers updated quick and simple. They will even send you an email notification when new driver updates are available for your system! It doesn't get any more convenient than this. Download DriverCure

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Fix Error Code 623    |    System Error Code 623    |    Fix Windows Registry Errors