Reference:GeoGebra Installation FAQ

GeoGebra Installation

• Installation
• Mass Installation
• FAQ

My computer crashed, where's my work?

Have a look in the computer's temporary folder and look for the most recent file like GeoGebraUndoInfo6533063557894725659.ggb

Quickest way in Windows: http://www.tomshardware.co.uk/faq/id-2082907/temp-folder-windows.html

Press Windows R and type

%temp%

then Enter.

What's happened to offline export as a webpage?

If you upload your worksheet to https://www.geogebra.org/materials then you can download it as an "Offline Worksheet (.zip)"

Where is the online version?

https://www.geogebra.org/graphing

Error "A Java Exception has occurred"

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

This is a hidden folder, so can be hard to find. One way is to press <Windows>R and then copy and paste this (changing <username> to your Windows username)

explorer /n, /e, /select, C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

then right-click -> Delete

GeoGebra Won't Start

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous question for more details)

I updated GeoGebra, but it keeps reverting to the previous version

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

(see previous questions for more details)

Support for OSX 10.6, 10.7

Please try the version with Java 7 or upgrade for free to OSX 10.10

CAS View doesn't work in the Portable version (Windows)

Right-click on GeoGebra.exe and Run as Administrator

How do I get the OSX version without going through the Mac App Store?

www.geogebra.org/portable

Problems with Java Applets

• Chrome, Firefox, Safari & Edge have now all disabled support for Java Applets. If you upload your files to [1] then they will work again

Where has GeoGebra x.y gone?

• Some older unsupported versions of GeoGebra are available here:

download.geogebra.org/installers/4.4/ download.geogebra.org/installers/4.2/ download.geogebra.org/installers/4.0/ download.geogebra.org/installers/3.2/

Java Errors, eg "Could not create the Java virtual machine."

• Delete this folder:

C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

• Reinstall
• Try the tips here: www.java.com/en/download/help/error_vm.xml

Can I run GeoGebra on my iPad / Win 8 / Android Tablet?

Yes, www.geogebra.org/download

Can I run GeoGebra on my Chromebook?

Yes, install the GeoGebra Chrome App

GeoGebra won't start

Delete this folder: C:\Users\<username>\AppData\Roaming\GeoGebra 5.0

• Delete GeoGebra's registry settings with this tool: Java Preferences Tool
• If that doesn't work, try reinstalling.

Clearing the Java Cache

• Then Java Control Panel -> General -> Temporary Internet Files -> Settings -> Delete files...
• To get the Java Control Panel in Windows 7/8/8.1/10, open Control Panel then type "Java" in the search box (top right).

Clearing the Browser's Cache

• Internet Explorer: Internet Options -> General -> Delete
• Chrome: "Hamburger"-> Settings -> Show Advanced Settings -> Privacy -> Clear Browsing Data
• Firefox: Options -> Options -> Privacy -> Clear Recent History
• Safari: Preferences -> Privacy -> Remove All Website Data
• Other browsers: How do I clear my cache?

Java Applet Problems

First, check Java is working/supported in your browser: http://www.java.com/en/download/help/testvm.xml

• Then Java Control Panel -> General -> Temporary Internet Files -> Settings -> Delete files...
• To get the Java Control Panel in Windows 7/8/8.1, open Control Panel then type "Java" in the search box (top right).

Applet problems in Ubuntu 11.04

Install Java 7:

• brunoreis.com/tech/intalling-java-ubuntu-natty/

Network install (Windows)

wiki.geogebra.org/en/Reference:GeoGebra_Mass_Installation

Suppressing the "New version available" message (Windows)

• Set this key in the Registry:

HKEY_LOCAL_MACHINE/Software/JavaSoft/Prefs/geogebra/version_check_allow = false

• or, using a command line argument:

Command_Line_Arguments

==How do I run GeoGebra with more memory allocated? Command_Line_Arguments