The following cumulative hotfix is available for the SlickEdit 2007 (v12.0.3) release.  You can confirm your Version Information in Help > About SlickEdit:
Download hotfix file to your local machine.

Load Hotfix via Help > Product Updates > Load Hot Fix and navigate to file. SlickEdit will copy and load file(s) to your Configuration Directory accordingly.

You must have SlickEdit 12.0.3. Check your Help-->About SlickEdit information to make sure you are running the proper version.
You must close SlickEdit and restart after loading this hotfix.
File name: hotfix_se1203_cumulative.zip
This file contains all of the fix files for 12.0.3 in one package. Updated: 02-29-2008 (Revision 35)
-annotations--Fix for Slick-C stack when deleting last annotation in Code Annotations tool window. Fix for changing annotation line numbers in annotation browser, when changing focus to editor window.
-autotag--Fix for Slick-C stack when attempting to generate auto-tagging files for Java on Linux.
-bufftabs--Fix when closing non-active file from Files tool window. File Tabs toolbar would not update to reflect closed file.
-debuggui--Fix for watches window becoming invalidated when switching tabs or opening new tool windows in the debugger.
-tbfind--Fix issue with find_next/search_again with Find and Replace toolbar when closed with Incremental Search option enabled.
-python--Fix issue command-line replace in python files.
-c--Fix issue with unwanted indents on new line after Enter key for C# attributes.
-stdprocs--Fix issue with expand-extension-alias command for new file extensions.
-c--Fix issue with checking option to always reload files without prompting with auto reload file prompt.
-dirlist--Fix issue with showing system files when they are marked as hidden by Explorer options (Windows only).
-filelist--Fix issue with showing system files when they are marked as hidden by Explorer options (Windows only).
-tbsearch--Fix issue with command-line keys not working with Search Results buffer open in editor.
-sellist--Fix issue Modified Lines not saving when closing buffers. Fix issue with File Tabs toolbar not updating correctly when using Link Window in one-file-per-window mode.
-gnucopts--When generating compile line for GNU C/C++, place "Other Options" before the input files, not just at the end of the command.
-error,pushtag,mfsearch--Fixes to auto-close visited files to handle traversing errors better and to avoid incorrectly closing files that have been modified or were open before they were visited.
-clipbd--Fixes issue with list-clipboards and using named clipboards or in VIM emulation.
-bgsearch--Fixes issue with spaces in file list or exclude list parameters for Find in Files, Replace in Files.
-unittest--Fixes bug in junit support where information about child nodes in the project tree get lost.
-vc--Fix for problem prompting for project filename and sandbox path in MKS Source Integrity.
-backtag--Added def_var to enable/disable embedded tagging - def_embedded_tagging.  Also, fix bug where the workspace tag file would not be counted as containing VBScript in a workspacce that contained only ASP source files.
-project--Fix Slick-C stack issue with import file list in Project Properties
-markfilt--Fix issue with commands align_selection_left, align_selection_right, align_selection_center with Unicode characters.
-codehelp--Fix issue where user was typing "sizeof" and auto-list-parameters was completing it as the only visible matching symbol in his workspace which was SIZEOF. The solution is to not permit auto-list-parameters in macro argument lists.   Also, if the user hits Enter in list-members but does not have anything selected in the list, just cancel list members and treat Enter as it would have been treated outside of list-members.
-pmatch--Fix problem which caused a Slick-C stack when doing push-ref if a context tagging operation used find-matching-paren and landed on a hidden line.
-surround--Allow autocomplete to be invoked and used in dynamic surround mode
-stdcmds--Fix issue which reset def_optimize_sccprjfiles on every invocation
 --Fix possible divide-by-zero error when p_SyntaxIndent = 0.
-box--Fix issue where line comment chops off end of code when using level of indent commenting with an end-comment delimiter.
 --Fix possible divide-by-zero error when p_SyntaxIndent=0
 --Fix tabs loss when comment lines
 --Fix reindentation issues caused by blank lines in comments
-jrefactor--Fix bug where a group of static imports would get turned in to a non-static .* import during Organize Imports.
 --Fix to support enums for Organize Imports
-moveedge--Using change_window (most commonly bound to F1 in Brief emulation) to change to the left/right/top/bottom window would switch to the incorrect window when the left margin indent was set to 0.
-backtag/context--Fix problem where a large JSP file would cause an "A very large string is about to be created" warning when rebuilding the workspace tag file