When opening HydraCAD, you only receive this error message and not a HydraKEY error with the golden X.  If you receive a HydraKEY error, search for the linked HydraCARD in that message box as it takes priority.

Security Error:  One of the following conditions is likely;

HydraCAD is unable to function under these conditions

• Lock database needs updating in HydraKEY
• Accounting flag on your account
• Hardware lock not plugged in
• Extra ACAD.RX file found in folder in Support File Search Path
• Sentinel driver is missing
• InstallPath registry item set to wrong drive

After AutoCAD opens, press F2 to view the command prompt, see if the text below appears.  If yes, see solution 1.

Could not find file HCAD_ENV.INI

Is 2024; error: no function definition: PRINTEM

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

Registry setting missing Opening

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