Here is a new version of that list; I selected recent (at present date 2012-11-25) conversations on the Docs and the Drive forums that were viewed more than about 3000 times and that were active since about March 2012. The search is not entirely systematic, because the productforum software doesn't sort on number of views.
(4105 views on 2012-11-25) Duplicate files after sync
(4123 views) Going back to dropbox
(2837 views) You are using an old version of Internet Explorer which will soon be unsupported. Some features may not work correctly. Upgrade to a modern browser, such as Google Chrome. Dismiss
(3615 views) Google Drive unable to connect
(3815 views) no connection detected
(3286 views) High CPU usage (OSX Lion)
(6180 views) Google Drive PRIMARY KEY error
(32713 views) When will Google Drive come to Linux?
(4430 views) How to limit the upload speed for Google Drive sync??
(16093 views) Google Drive cannot connect to the Internet.
(4526 views) Unable to change language on Google Drive desktop application
(8772 views) Drive causes explorer to crash
(5211 views) googledrivesync.exe - No Disk There is no disk in the drive. Please insert a disk into drive \Device\Harddisk10\DR10.
(5290 views) Drive upload incredibly slow
(8806 views) Speed Issues: Slower than Slow
(12388 views) Can I use Google Drive with multiple Google accounts?
(5662 views) Problem with Drive Software Error: the Google Drive Folder you selected is not empty, please select an empty folder
(3052 views) How do I force a sync?
(3086 views) Installer could not connect to internet
(2926 views) I need to sync files and folders outside "Google Drive" folder.
(2836 views) Google Drive installation problem (error 1603)
(3850 views) Google Drive - Powerpoint
(2817 views) Error after moving local Google Drive folder -- "This is not your original Google Drive folder."
(7479 views) Google Drive Portable
(7106 views) Download Google Drive offline Installer for windows.mac,linux
(5688 views) Google Drive Android save file
(8681 views) Conditional formatting to compare to a cell contents?
(3399 views) Email to drive
(5303 views) Is there any way to have a Table of Contents show page numbers?
(13443 views) ftp access for google drive
(5507 views) Google Drive does not support proxy authentication
(5328 views) Android Instant Upload to Drive
(5190 views) unable to sync
(5341 views) Follow Symbolic Links
(20334 views) Google Drive: The installer encountered error 1603: Fatal error during installation
(6406 views) Integration with Picasa Web
(3835 views) Right click - Copy public link
(3800 views) This content cannot be displayed in a frame
(12963 views) Sharing Collection to people without Google Account