extremely slow out of no where

jetdog6jetdog6 Posts: 13
Hi, 

I've been using global mapper V20.0 for over a year now, no issues.  I downloaded and installed the newest version recently just to give it a try, but uninstalled it earlier today because my V20.0 is so slow it's unusable now.  I took a screen cast of what it does when I try to draw a simple line on a small DEM: http://gofile.me/50AXz/EtxunleOd. ; Again I have no idea what's caused this.  I thought maybe installing the new version of GM was the issue so I uninstalled it, but the issue persists.
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