: Right-click the patch file and select "Run as Administrator."
If your system uses GPU acceleration for rendering and playback, try disabling it to see if it improves performance: MAGIX Vegas Pro 14.0.0 Build 270 Patch -Stalls-
Unlike cleaner Sony builds (like Pro 12 or 13), the patch for Build 270 often exhibited the following behavior: : Right-click the patch file and select "Run