data conversion problem

#1
I have data in ASCII comma-delimited (csv format) downloaded from Yahoo Finance or other sources.
To be able to work with some programs I convert them into Metastock format, then open The Downloader, I click on convert, I select the ASCII file of input and output directory and ... I do not get that error and no conversion.
The errors are:

Warning # 810: No data from source files converted
Error # 814: Invalid source file format

I also have some csv file that I have converted without problems.
I do not know what to think about: the size is right, character by character looking at a file that is converted with Notepad and the other seems to have exact the same format...

I hope someone can help me.

thanks
 

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