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I can't install unidac.4.0.1.d14pro. The install program runs fine, but when I open Delphi I get this error message:

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bds.exe - Entry Point Not Found
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The procedure entry point @Crencryption@initialization$qqrv could not be located in the dynamic link library dac140.bpl.
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OK
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I've already tried what was suggested in other topics:
- close RAD Studio 2010;
- remove UniDAC;
- remove all *dac*.bpl and crcontrols*.bpl files from your computer (please make sure there are no such files on your computer);
- reinstall UniDAC.
If it doesn't help, try the following:
- remove UniDAC;
- reinstall UniDAC with the /force parameter like this: unidac41d14pro.exe /force

None of these steps helped. Actually that's not even a problem, when I uninstall UniDac, all bpl files are removed, I don't even need to delete files.

I was working with this version of UniDac before and it was working fine, but I had to uninstall it in order to do some work with version 4.5.9. When I was done, I uninstalled the 4.5.9 version and installed the 4.0.1 back. That's when the problem began. What is odd, is that it's only an error message in Delphi's initialization. After dismissing the error message, it works just fine

Hello,

The 'Entry Point Not Found' error occurs only if there are bpl files from different (than the one you are using) UniDAC version left on the computer. If it still occurs, it means that you have *dac*140.bpl files not from UniDAC 4.0.1 (maybe from other DAC products) on your computer. To solve the problem, please perform the following steps:
- remove UniDAC and all other DAC products (SDAC, MyDAC, etc.);
- remove all *dac*.bpl and *crcontrols*.bpl files from your computer;
- remove *.dcu files from your project;
- install UniDAC 4.0.1.

That's exactly what I did, as I mentioned in my post. The only step I didn't perform was: remove *.dcu files from your project

I have a few projects here, I should remove dcu files from which project? The error occurs in Delphi initialization and it's not related to a specific project.

The error is gone. I've beeing doing a lot of install/uninstall of UniDac in the same machine because I'm testing newer versions. The error was in moving from 4.5.9 to 4.0.1.... After installing the 4.5.10 version, the error was gone.

It is good to see that the problem was solved. If any other questions come up, please contact us.