Out of memory error message using the Rich Textbox control: http://support.microsoft.com/kb/236286
"A version of the Riched32.dll file that is not redistributable is installed on the computer. Riched32.dll may not be distributed because it requires files that are only installed by Microsoft Exchange. Because the Riched32.dll file is a shared component, this problem may occur when you use an application that is installed correctly."
Microsoft has created an application that installs the correct version of the Riched32.dll file on the target system.
"The following file is available for download from the Microsoft Download Center:
Download the Richedfx.exe package now. (http://download.microsoft.com/download/vb60ent/sample16/1/w9xnt4/en-us/richedfx.exe)
Release Date: August 25, 1999"
Post back and let us know if this solved your problem.