Not able to minimize stacks

Question

Hi,
Recently I updated to OS X 10.5.2 and later updated the graphics software using "Software Update". Since then, I'm not able to minimize Stack once it expands. I have both documents and applications in the dock (set to fan mode). When I click on any one of them, stack appears, but when I try to minimize the opened stack by clicking on the "down arrow" (visible in dock once it is expanded), it doesn't minimize the stack. If I click anywhere else, then it will collapse.
Thought it was caused because of adding "Applications" to the dock. Removed it, but no use... This is irritating me. Not expecting this kind of weird behavior in Mac OS X. Loosing my +ve side opinion on Mac OS X.... Someone please help... Thanks in advance

Answer 1

Two standard techniques for non techies like you and me.
Create a new user (in System Preferences, Accounts) and see whether the same problem occurs there. If not, it's a problem with your user and the first step is probably to drag the com.apple.dock.plist and com.apple.dock.db files out of your user Library/Preferences folder to the desktop, then restart.
The system will create new preference files and if the problem is fixed you're sweet (you'll get the default dock back though and have to reconfigure it). You can then trash the files you dragged to the desktop.
If that doesn't fix it, drag those files back into that folder to replace the new ones and restart which at least will give you your dock configuration back.