When I work in Adobe Premiere CS5 and make Alt + Tab (Windows) and return back Premiere is performing request much time. Why? And how can I get away from this? Thx'u very much
1. Update to 5.02
2. Get a faster system, more memory and better disk setup.
In addition to what Harm says, read this thread, which talks about the very large performance hit because of antivirus software, especially with application switching:
Retrieving data ...