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Author Topic: Windows task-switching issue Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 12-08-2007 03:52 AM                     I like Spybot - Search and Destroy tons better .. I had problems with Adaware and uninstalled it for Spybot. -Monte  |  IP: Logged Tao Yue Expert Film Handler Posts: 209 From: Princeton, NJ Registered: Apr 2001 posted 12-09-2007 10:46 AM                        It is a good idea to have spyware protection anyway. But it is rather unlikely that spyware is the cause. As Mike says, he only has this problem when running a BASIC program that he wrote fifteen years ago. quote: Mike Blakesley I'll click in some other window and the system just hangs there with an hourglass for 6 or 7 seconds....as if it has taken everything in its power to run this stupid little DOS (BASIC) program. This is actually a very likely candidate. Older DOS programs tend to perform loops which occupy the full processing power of the CPU. It might very well take Windows 7 seconds to suspend the program and regain control of the processor. This page describes a different problem, but see section "DOS CPU usage" for diagnostic steps and explanation: http://www.printfil.com/article/slow-dos-printing-in-windows.htm#dos-cpu-usage Another way of testing -- run your program on a machine with a modern dual-core processor, and see if the delay goes away. On a system with multiple cores, the DOS program would only occupy one core, leaving the other core free for other programs.  |  IP: Logged

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