Technical FAQ Index

Installation

• What memory settings should I use?
• Why isn't the installer accepting my serial number?
• How can I run multiple servers on one computer?
• How can I install 4D without a built-in floppy disk?
• How can I get my help files to work?

Support & Documentation

• How do I get lists of fixed bugs?
• How do I submit bug reports?
• Where can I get help from 4D?
• Where is the documentation?

Hardware & Operating System

• What computers are most suitable for 4D Server?
• What is the best computer for 4D Client?
• What operating systems are suitable for 4D?

Structure & Optimization

• How do I maximize the speed of 4D Server?
• Why can't I delete tables and fields?
• Why do I keep running out of memory?

Plug-ins

• How do I install plug-ins?
• How do I install plug-ins on server?
• How do I remove plug-ins from a 4D v3.5 or v1.5 structure?
• How do I control access to limited plug-in licenses?
• What is the maximum length of a 4D Write document?
• Why doesn't 4D recognize plug-in commands?
• How do I get out of a loop when I use the Mandatory log file of 4D Backup plug-ins?

Compiling

• Why can't I compile my 4D database?
• What compiler options should I use?
• Can I merge with Engine for another platform?
• Should I always declare local variables in a compiled structure?
• Subtotal in Compiled Mode
• What is the Universal 4DX folder?

Debugging

• How do I use the 4D v6/v6.5 debugger?
• How do I prevent 4D crashing?
• How do I get year 2000 dates to be recognized?

Cross Platform

• Why is there no Transporter for Windows?
• I just copied my database over to a PC/Mac OS, but it won't open.

Conversion & Upgrading

• What are the important differences between 4D v1.x/v3.x and 4D v6/v6.5?
• How should I convert my 4D v1.5/v3 database to 4D v6/v6 Windows?
• How do I convert from older versions of 4D?
• Why doesn't my 4D v1.x/v3.x database work in 4D v6/v6.5?

User Interface

• How do I move a window whose title bar has been hidden?
• How do I keep a user out of the User environment?

Printing

• How can I control page setup?
• How do I fix errors printing to HP LaserJets and compatibles on Windows?

Networking

• What version of the Network Components should I use?
• How do I fix errors connecting to 4D Server?
• Connecting a 4D Server with 4D Client, I get an error message: "Resource cache file cannot be created."
• What are the new port numbers of 4D version 6.5 Network Components?

Data

• How do I fix errors retrieving data, sorting or searching?

Connectivity

• How can I move data between 4D and other databases?

Web Serving

• How do I serve web pages from 4D?

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