Primary calc results are shown, and when selecting OK to continue back to the calc input screen, the two messages below are displayed, twice;

"The designated source node was not found in the list of pipes" OK

"Calculation failed for an unknown reason" OK

Process Error Hydcalc

Runtime Error 7 Out of memory run-time error 7 run time error 7 Runtime Error 7 Miscfunc

During the AutoCALC process, it gets hung up at step 5a.3b. 

Re-Ordering Pipe Paths - Phase 2

No error but the AutoCALC process takes a very long time and is slow.

No error, just hangs while using 100% RAM.  Usually around step 2.3

Hydrapipe - vertical pipe issue Switching to Edit Mode leaves HydraPipes in Hydrapipe layer. Then when trying to show system model you get an AutoCAD message box "Please Switch to Edit Mode. Then try again." Switch to Edit....

Final Printout Runtime 481 Invalid File Runtime 481

AutoCAD Settings may preclude use of object snaps within hatch patterns.

bazillions of Scale Lists in the drawing (most likely due to xrefs) Copy Paste

select object highlite

Unable to double click for text editing

Likely caused by emailed dll file Cannot load assembly

Install error.

Unknown Possible Win7 & InstallSheild conflict Setup Launcher Unicode Dialog Box InstallScript

1. Bad target maybe? Fatal Error HydraCAD Icon v51 & v52

1)missing pipe x block 2) bad block Command Prompt AutoCAD 2009,2010

Registry setting missing Opening

Drawing is set to use STB (layer dependent plot styles) instead of CTB (color dependent plot styles) Plotting

trying to underline or overline Mtext Note: this fix will require the workspace to be recreated Acad 2009

layer override set up for this viewport or layer is frozen in "viewport freeze" Layers not displaying

UCS is out of whack or the clockwise option is checked in units dialog Tagging

Install think enabler is on computer Installation