Msg : Internal Error 100 in module 11

In which module?

There are all errors 100 which I found in excel error table (I think that I downloaded it somewhere on MIBUSO :-) I cannot say more...

Module, error code, description
1,100,#Err_OS_TooManySemaphores (Module_OS, 100 )
11,100,#Err_Att_Undefined (Module_Att,Err_Allowable(100))
35,100,#Err_OCX_Error (Module_OCX, 100)
41,100,#Err_Eval_Empty (Module_Eval, 100 )

Some info about similar problem:

14-03-2003/Often when these error appears, it because the user is using short cut key and are working on a slow machine. This combination makes the user act faster than the system. Meaning that the system are not finish building the window (form), when the user sends the command, the response form the system is that there are missing attributes.

3.x:

There are some requests about Attain 3.01.B AND WIN98 AND link to MS products....

with the following response:

* Error 100 in module 11 has been reported and partially fixed many times. Often something to do with printer setup or switching fast between windows - Navision and other apps.
* Internal Error 100 in module 11 when seaching vendor (Ctrl F) from window Vendor Card: Delete the zup file
* This error is sometimes caused by a specific object.

I hope it helps you...

I am having this error every time when a client try to log in. But, just first time. Client logs in, get this message, exit and logs in normally. And every morning it happens (for two clients only this message appears)