Dear colleagues, If it happens "white screen" on long-running LV's application - what is to be done to avoid it in future? Note that after "white screen" (approx after 1 week from start application) - no happens any events or log in Windows 7. It is interesting that in the LV2009 this behavior was not registered. To isolate the problem I need to do to program your own log file and write in it all the actions in my program or may be rollback to LV2009 ? Program is designed for 24/7 operation (well at least a month of continuous operation). My system is Windows 7 SP1 on Advantix ER-7000 (Intel, 4 GB RAM), LV2014f1, PXI-1033 with 3 cards NI-6511, NI-6515 and Pixie4 (third-party manufacturer). Program consists form one top-level VI and 100 vi (in project tree) and 5 lvlib with local variables. Also are "calls library function" for simple read/write from Pixie4 and also are simple actions read/write with NI-6511, NI-6515 cards. Note that I don't used different threads (Preferred Execution System) now all works in one "same as caller". Please any help is appreciated. I know about full code optimization and now I'm thinking about it.

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Thanks, I missed the link.

Mike...

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