µVISION DEBUGGER: "Internal DLL Error" During Flash Programming
Information in this knowledgebase article applies to:
I'm using ULINKpro on an existing project created by previous MDK v5.x. After upgrading MDK to v5.23, during flash programming I always get the following errors:
Erase Done. Programming Failed! Internal DLL Error Error: Flash Download failed - "Cortex-M3"
I didn't modify any project or debug settings of this project. How can I resolve this issue?
Such an issue happens when using ULINKpro in MDK v5.23 in the following cases:
This issue has been fixed in MDK newer than v5.23.
MDK v5.23 users may download the attached zip file containing the
updated DLLs and replace them into:
Request the files attached to this knowledgebase article.
Last Reviewed: Friday, February 24, 2017
of your data.