Sometimes, Sony Vegas Pro incurs lots of errors and system freezes. You can clean and reset Sony Vegas Pro very easily.
Resetting the program and cleaning cache, will remove junk files that build up over time and can cause problems.
1. Turn Movie Studio/Vegas Off.
2. Hold down CONTROL and SHIFT keys at the same time AND ALSO AT THE SAME TIME double click program icon on Desktop to Boot program.
3. Window will pop up.
4. Select Delete Cache and Yes.
This will restore program to Factory Default Settings.