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From: colfelt@news.colorado.edu (COLFELT ANDREW BRINTON W)
Newsgroups: comp.windows.ms
Subject: Re: Using Lotus 3.1 under Windows (Problems!!)
Message-ID: <colfelt.674252574@tramp.Colorado.EDU>
Date: 14 May 91 20:22:54 GMT
References: <1991May11.160429.18194@msuinfo.cl.msu.edu>
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morin@pleiades.cps.msu.edu (Michelle Morin) writes:
>I have a problem when I try to use Lotus 1-2-3 v. 3.1 under Windows.
>I can multi-task Lotus with other programs (such as Harvard Graphics
>and WordPerfect 5.1), but when I try to connect to the mainframe
>(using telnet) and then switch back to Lotus, I can no longer open
>any files (I get the message "Can't get reservation).  My computer
>is not on a network, and I am not accessing these files when I 
>use the communications program, but Lotus seems to "switch" to network
>mode since that is the only time you need to worry about "reserving"
>files.  I've tried to contact support at Lotus, but didn't get any
>solutions.  Has anyone else had similar problems with Lotus under
>windows 3.0.  

This is a VERY tentative answer:  1-2-3 is a "protected-mode" application.
Your switching may be accessing the BUS in a way that conflicts with the
protected requirement of 1-2-3.  I don't know for sure...

Andrew
colfelt@tramp.colrado.edu