SolidWorks 2025 Freezing Your PC? Fix the sldShellExtServer DCOM Error
Your machine doesn’t crash. Nothing shows an error dialog. Windows just stalls — File Explorer hangs for 5 to 30 seconds, the taskbar goes unresponsive, and then everything unfreezes as if nothing happened. This happens repeatedly, and it always seems to coincide with working near SolidWorks files. The culprit is sldShellExtServer.exe, the SolidWorks shell extension server, and it’s been causing more friction in SolidWorks 2025 than previous versions. Here’s how to confirm it’s the source and how to fix it without a support ticket. ...