If it requires more RAM...

At the Apple Icon at top left>About this Mac, then click on More Info, then click on Hardware> and report this upto but not including the Serial#...

Hardware Overview:

Go to the IMVU Downloads page and download the latest version for Mac. Once the file downloads, double-click it. IMVU's bug patrol has been hard at work fixing things under the hood! Want to learn more? Visit 539.4: Windows Installer (38,777KB) Mac DMG (66,499KB) - A few products were crashing users off the platform so we squashed that pesky bug for you. 539.2: Windows Installer (38,779KB) Mac DMG (66,541KB).

Model Name: iMac

Model Identifier: iMac7,1

Processor Name: Intel Core 2 Duo

Processor Speed: 2.4 GHz

Number Of Processors: 1

Total Number Of Cores: 2

L2 Cache: 4 MB

Memory: 6 GB

Bus Speed: 800 MHz

Imvu On Mac

Boot ROM Version: IM71.007A.B03

SMC Version (system): 1.21f4

Then click on Hardware>Graphics/Displays and report like this...

NVIDIA GeForce 7800GT:

Chipset Model: GeForce 7800GT

Type: Display

Bus: PCI

Slot: SLOT-1

VRAM (Total): 256 MB

Imvu Macbook

Vendor: nVIDIA (0x10de)

Device ID: 0x0092

Revision ID: 0x00a1

ROM Revision: 2152.2

Displays:

VGA Display:

Resolution: 1920 x 1080 @ 60 Hz

Depth: 32-bit Color

Core Image: Supported

Main Display: Yes

Mirror: Off

Online: Yes

Quartz Extreme: Supported

Display:

Status: No display connected

Jan 4, 2013 2:55 PM