If the problem persists, a thorough cleanup may be necessary. Uninstall Vegas Pro from your system, then manually delete any leftover folders from the installation directory (typically C:\Program Files\VEGAS\VEGAS Pro 14.0 ). Also, delete the application data folders found in %LOCALAPPDATA%\VEGAS Pro and %APPDATA%\VEGAS Pro . After cleaning everything, restart your computer and attempt a fresh installation.
If UI elements glitch post-patch, hold down the Ctrl + Shift keys simultaneously while double-clicking the application icon to clear and reset your default app cache. MAGIX Vegas Pro 14.0.0 Build 270 Patch -Stalls-
If you are experiencing freezes specifically during rendering, the Background Intelligent Transfer Service (BITS) might be the culprit. If the problem persists, a thorough cleanup may be necessary