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uVision4 wont connect to ULink

Oliver Sedlacek

I'm trying to use my ULink box with uVision V4.71.2.0 but when I click the 'Settings' button I get an Error dialog that says:

Error: Cannot load 'C:\KEIL\ARM\ULP2ARM.DLL'

Possible Reasons:

- Driver DLL could not be found in the specified path

- Driver DLL requires additional DLL's which are not installed

- Required Hardware Drivers are not installed

I've checked and the DLL is there, so it's not the first suggestion. I've tried reinstalling the driver a Windows is happy, so where do I go next?

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  • 0 in reply to Oliver Sedlacek

    Can't say I've been seeing a problem with 4.70(a), but they did claim it needed a firmware update, and then wouldn't be backward compatible with earlier releases. There should be some tools under \Keil\ARM\ULINK I've been using mostly ULink2 and ULinkME devices, under Win7 x64

    Other than that, consider the version of Windows (8?), if there are some driver issues under device manager (unsigned?), or if admin rights are playing an issue.

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  • 0 in reply to Oliver Sedlacek

    Can't say I've been seeing a problem with 4.70(a), but they did claim it needed a firmware update, and then wouldn't be backward compatible with earlier releases. There should be some tools under \Keil\ARM\ULINK I've been using mostly ULink2 and ULinkME devices, under Win7 x64

    Other than that, consider the version of Windows (8?), if there are some driver issues under device manager (unsigned?), or if admin rights are playing an issue.

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