https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-Installation-and-Performance-Issue-on-Windows-11/m-p/1747638#M4748 <P>I recently installed Intel® oneAPI Base Toolkit on my Windows 11 system for development and testing purposes. The installation completed successfully, but I am experiencing performance and stability issues while compiling and running C++ projects.</P><P>System Configuration:</P><UL><LI>OS: Windows 11 Pro 64-bit</LI><LI>CPU: Intel Core i7 Processor</LI><LI>RAM: 16GB DDR4</LI><LI>IDE: Visual Studio 2022</LI><LI>Toolkit: Intel oneAPI Base Toolkit (latest version)</LI></UL><P>Issues I noticed:</P><UL><LI>Compilation takes unusually long compared to previous setup</LI><LI>Random IDE freezing during build process</LI><LI>High CPU usage even on smaller projects</LI><LI>Occasional DLL/runtime errors after compiling</LI></UL><P>Things I already tried:</P><UL><LI>Reinstalled oneAPI toolkit</LI><LI>Updated Intel drivers and Visual Studio components</LI><LI>Cleared build cache and temporary files</LI><LI>Disabled antivirus temporarily during compilation</LI></UL><P>I would appreciate guidance from Intel experts or community members regarding:</P><OL><LI>Recommended Visual Studio configuration for oneAPI</LI><LI>Performance optimization settings</LI><LI>Possible causes of runtime DLL issues</LI><LI>Whether this could be related to Windows 11 updates</LI></OL><P>Thank you in advance for your support.</P> Tue, 12 May 2026 08:14:30 GMT Ayeshah 2026-05-12T08:14:30Z https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-Installation-and-Performance-Issue-on-Windows-11/m-p/1747638#M4748 <P>I recently installed Intel® oneAPI Base Toolkit on my Windows 11 system for development and testing purposes. The installation completed successfully, but I am experiencing performance and stability issues while compiling and running C++ projects.</P><P>System Configuration:</P><UL><LI>OS: Windows 11 Pro 64-bit</LI><LI>CPU: Intel Core i7 Processor</LI><LI>RAM: 16GB DDR4</LI><LI>IDE: Visual Studio 2022</LI><LI>Toolkit: Intel oneAPI Base Toolkit (latest version)</LI></UL><P>Issues I noticed:</P><UL><LI>Compilation takes unusually long compared to previous setup</LI><LI>Random IDE freezing during build process</LI><LI>High CPU usage even on smaller projects</LI><LI>Occasional DLL/runtime errors after compiling</LI></UL><P>Things I already tried:</P><UL><LI>Reinstalled oneAPI toolkit</LI><LI>Updated Intel drivers and Visual Studio components</LI><LI>Cleared build cache and temporary files</LI><LI>Disabled antivirus temporarily during compilation</LI></UL><P>I would appreciate guidance from Intel experts or community members regarding:</P><OL><LI>Recommended Visual Studio configuration for oneAPI</LI><LI>Performance optimization settings</LI><LI>Possible causes of runtime DLL issues</LI><LI>Whether this could be related to Windows 11 updates</LI></OL><P>Thank you in advance for your support.</P> Tue, 12 May 2026 08:14:30 GMT https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-Installation-and-Performance-Issue-on-Windows-11/m-p/1747638#M4748 Ayeshah 2026-05-12T08:14:30Z