Software & Apps Windows How to Rename the NLSPATH System Variable in Windows XP By Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated March 19, 2020 Windows The Ultimate Laptop Buying Guide Tweet Share Email The NLSPATH system variable, short for National Language Support Path, is an environment variable set in some Windows XP systems. This variable has been known to generate error messages like the ntdll.dll error on some systems, the solution for which is to rename the variable so Windows XP will no longer refer to it. Follow the simple steps below to rename the NLSPATH system variable. How to Rename the Windows XP NLSPATH System Variable Open Control Panel by selecting Start and then Control Panel. Choose Performance and Maintenance. If you're viewing the Classic View of Control Panel, double-click System and then skip to Step 4. Under the or pick a Control Panel icon section, choose System. Select the Advanced tab in the System Properties window. Select Environment Variables at the bottom of the window. From the System variables area at the bottom of the window, scroll down and select NLSPATH. Not all Windows XP systems have an NLSPATH variable listed. If yours doesn't, you can discontinue these steps and continue with any other troubleshooting steps you may have been working through. Choose Edit below the text area. In the popup window, rename NLSPATH to NLSPATHOLD. Select OK, select it again in the Environment Variables window, and once more in the System Properties window. Restart your computer. Test your system to see if renaming the NLSPATH variable resolved your issue.