Cannot allocate background bitmap

[mdbarry]

I downloaded a demo copy of your Cad Viewer 4.5 program yesterday & after installation it was running perfectly. Trying to run the program today, I get the mesage :

''Memory Allocation Error''
''Cannot allocate background bitmap''

The program then tells me an error has occurred & exits.
I have uninstalled the program, rebooted, re-installed it, rebooted again & still the problem persists.
The program is great apart from that, especially the GP4 viewing function, as we have a lot of scanned drawings in that format & to be able to quickly view & print them is a huge help.

Cheers,
Mike

[GuthCAD Software Support]

Hi Mike,

Does the allocation error happen when trying to load a particular drawing or GP4? If it happens when loading a GP4, how big is the GP4? Also how much memory does your machine have?

thanks
Paul G

[mdbarry]

Hi Paul,

The allocation error happens before loading any drawing at all.
My machine has 1Gb of RAM & I have tried the program with fewer than normal applications going.
I am just curious about the bitmap part of the message, could there be some memory address conflict ?
Thanks for the reply.

Cheers,
Mike

[GuthCAD Software Support]

Mike,

I am just curious about the bitmap part of the message, could there be some memory address conflict ? The "cannot allocate background bitmap" at the start is unusal (actually i don't think we have ever seen it before). The software is simply trying to allocate a background screen buffer. The software inquires on the size of the display, and then allocates a buffer the same size as it. Normally this should not require a huge amount of memory, certainly 1GB will easily handle it. And obviously the software was previously working on your machine so I do not know what has changed.
Are you running 2 monitors?
Is the resolution of your screen very large?
If you want to take it further, we would supply a debug version of the software to try and determine possible causes.

best regards,
Paul G

[mdbarry]

Hi Paul,

I think the problem is being generated by the video card and/or the drivers used by my computer. The card is an Nvidia Quadro 4 NVS (64Mb AGP), running a single 20" LCD monitor at resolution 1600 x 1200, on a Compaq D530 using Windows 2000.
The graphics appears to ''lose'' its current driver (Forceware version 77.18) when I right mouse button click on screen & go into properties. It displays a message telling me the driver is not supported by the current version of windows. This is obviously a problem related to my machine & nothing to do with your software.
I have tried your program on another (better) computer & it works perfectly.
Thanks for your help & looks like a trip to the IT department for me.

Cheers,
Mike