Nancy Drew: Danger By Design

Nancy Drew: Danger By Design

Auto Aug 28, 2019 @ 7:31pm
Game not launching
I've done all that I can to fix the game. I've verified the game files, uninstalled steam and deleted all steam files. Game still doesn't work. Help
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Showing 1-5 of 5 comments
Basevi Jan 14, 2020 @ 5:41am 
I am having the exact same problem! Did you find a solution?

I keep getting a pop-up box that says:
Unable to open CAL or CIF TREE file "C:\Games\Nancy Drew Games\Nancy Drew - Danger by Design\DataFiles\CIFTREE.DAT". Check the path in your .ini file

I don't know what to do with this. I uninstalled and reinstalled the game, I restarted the computer. Still this message. I have no clue how to check the .ini file. :(
sailorcake48 Jan 18, 2020 @ 3:41pm 
Try checking if all the game files are ok: Open your library, right click on the game, settings, local files, check.
Basevi Feb 8, 2020 @ 6:16am 
Thank you for your comment, bumbuka48. :)

I actually ended up contacting HerInteractive and they recommended:
1. I uninstall everything related to the game
2. I turn off all of my antivirus and firewall protection
3. I re-install the game using the administrator profile
4. I play it in compatibility for Windows 98 (for anyone reading this with the same problem later, you go to the local game files - right click on the game file itself - "Properties" - "Compatibility" - "Run this program in compatibility mode for" - "Windows 98" -- note: some people have gotten this to work running it in Windows XP Service Pack 3)
Now it's working! (In fact this has worked for all remaining games that weren't running)

Hopefully this can help someone else if they were having similar issues.
Token May 7, 2020 @ 1:02pm 
Originally posted by samanderson6080:
I am having the exact same problem! Did you find a solution?

I keep getting a pop-up box that says:
Unable to open CAL or CIF TREE file "C:\Games\Nancy Drew Games\Nancy Drew - Danger by Design\DataFiles\CIFTREE.DAT". Check the path in your .ini file

I don't know what to do with this. I uninstalled and reinstalled the game, I restarted the computer. Still this message. I have no clue how to check the .ini file. :(


It did that to me on two games I just requested to have my money back because to me it looks like the game is corrupted. The others that I recently got work fine but Danger by Design and Kapu Cave both say unable to open. Which i did check to see if I had no room for any space but I actually had a ton of space for the file but it just didnt want to launch the game at all.
Tinawaka Mar 9, 2023 @ 8:22pm 
I was having the same problem but I fixed it by installing onto the C drive (I had it on D drive originally). I also changed my saved games to c drive
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