After installing NI Scope 3.5 RS232 in my application is very slow!

I am using NI5114 Digitizer. After installing NI Scope 3.5 RS232 in my application is very slow. Un-installing Scope driver doesn’t help. Serial communication from my application (developed in CVI) is permanently crippled. The only fix is re-installing Windows. It happened on three different computers. I am stuck with this problem. Please help
Richard

Hi Richard,
I'm very curious about where you received your NI-Scope v3.5 from, the latest version currently available is v3.4, this can be found here.
NI-Scope does install NI-VISA, which will affect your serial ports in Labview.
What version of NI-Scope does MAX show?
What version of NI-Visa does MAX show?
You could try un-installing both of those drivers then re-installing the NI-Scope v3.4 driver.
Please do post back the results of checking the version installed of NI-Scope and NI-Visa.
Best regards,
MatthewW
Applications Engineer
National Instruments

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