AutoCAD 2007 Behaving Strangely

I'm running AutoCAD 2007 on a Windows Vista Biz computer at work. All was well untill yesterday I suddenly noticed the following:

1. I normally click on a line or object and press delete to erase it. That doesn't work anymore. I now have to use the erase command, select the object to delete it.

2. I normally could click on an object and then let the mouse focus on it and then move it by simply dragging the mouse. I can not do this anymore. I have to use the move command and then select the object.

Can anyone offer some advice on this? Someone suggested that one of the lisp programs I ran may have caused this. I only run a lisp program once in a while to automate drawing of bolts and structural steel shapes.

See if your PICKFIRST is set to "1"

It was set to zero (0). So I set it to one and all is well again.

I'm wondering what may have changed it in the first place.

It was set to zero (0). So I set it to one and all is well again.

 

I'm wondering what may have changed it in the first place.

did you fatal out? on my computer I fatal out about 3 times a day and all my variable get set back to something other than what I want them to be. Im in the process of writing a lisp that will automatically set all of my variable back to what I want.

To the best of my knowleged this machine did not crash before this started happening. The wierd thing is that one of my home computers did the same thing. I uninstalled and then reinstalled ACAD and it fixed the problem. Not so with my work computer. Reinstalling did not clear the problem.

Thanks to everyone for the helpful advice. I was feeling very crippled having to step through all those other commands.

I guess since your writing a lisp program to reset values it could have been one of the lisp programs I ran that reset a registry value in some way? If it is, I don't want to run it anymore until I know more about it. What should I look for in the lisp file syntax that could have done this?

Sloppy LISP programs can be the source of many a problem including variables that have been changed for the routine not being reset when the routine finishes.

I have the same problem where it will randomly set back to 0. Dunno why?!

I did a little more reading and found that sloppy lisp coding as well as a user pressing escape before the routine ends could cause this problem.

But I only have about 6 different lisp programs that I use and in none of them could I find the word "pickfirst". Is there some other syntax that is used to change the pickfirst variable?