Varieties of VCT Files

Primary VCT File Association

.VCT

Formatting:	.vct
Category:	IDRISI Vector Image

IDRISI Vector Image is used to store vector data using connected points rather than raster data used by IDRISI's .RST files.

Developer:	Clark Labs
File Category:	GIS Files
Registry Key:	HKEY_CLASSES_ROOT\.vct

Software Programs That Open The IDRISI Vector Image:

ESRI ArcGIS for Desktop by ESRI (Environmental Systems Research Institute)

Windows

Global Mapper by Blue Marble Geographics

Windows

TerrSet by Clark Labs

Windows

Other VCT Descriptions

.VCT

Formatting:	.vct
Category:	VISE Installer Project

VISE Installer Project is used to save references to installation files and configuration parameters to make the installation. It can be built into a standard installer package.

Developer:	MindVision Software
File Category:	Data Files

Software Programs That Open VISE Installer Project Files:

Installer VISE for Windows by MindVision Software

Compatible with:

Windows

Installer VISE for Macintosh by MindVision Software

Compatible with:

Mac

.VCT

Formatting:	.vct
Category:	Visual Class Library Memo

Visual Class Library Memo contains textual notes about a FoxPro visual class library .VCX file.

Developer:	Microsoft Corporation
File Category:	Text Files

Software Programs That Open Visual Class Library Memo Files:

Microsoft Visual FoxPro by Microsoft Corporation

Compatible with:

Windows

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Sources of VCT Problems

Common VCT Opening Problems

ESRI ArcGIS for Desktop Isn't There

You attempt to load your VCT file and get an error such as "%%os%% Can't Open The VCT File Extension". Usually, this is because you do not have ESRI ArcGIS for Desktop for %%os%% installed. The OS won't know what to do with your VCT file, so double-clicking to load the file doesn't work.

Tip: If you have another software that you know opens VCT files, you can select it by hitting the "Show Apps" button.

Obsolete Version of ESRI ArcGIS for Desktop

In some cases, you might have a newer (or older) version of a IDRISI Vector Image file that is unsupported by your installed application version. Installing the latest version of ESRI ArcGIS for Desktop from ESRI (Environmental Systems Research Institute) is recommended. Most of the time your IDRISI Vector Image file was created by a newer ESRI ArcGIS for Desktop than what you have installed.

Tip: Find clues on the correct software version by right-clicking your VCT file and clicking "Properties".

Primarily, problems experienced when opening VCT files are due to having the incorrect version of ESRI ArcGIS for Desktop installed on your computer.

Other VCT File Opening Causes

Although you might already have ESRI ArcGIS for Desktop or another VCT-associated software installed on your computer, you can still encounter problems opening IDRISI Vector Image files. There can be other issues - unrelated to software - preventing you from opening VCT files. Additional factors include:

• Windows Registry VCT file paths that are incorrect
• Accidental deletion of the description of the VCT file in the Windows registry
• ESRI ArcGIS for Desktop or another VCT application experienced a flawed installation
• Your VCT file is corrupted (issues with your IDRISI Vector Image file itself)
• The VCT is infected with a virus
• Drivers associated with VCT software need to be updated
• Your computer does not have the adequate system resources to open the IDRISI Vector Image format