HydraCALC is open on the taskbar but not visible onscreen.

No error, but the rounding of the loose fitting and coupling schedule's rounding is behaving incorrectly to what's desired, for example, rounding 1-1/2” to 2”.

When double-clicking an .HLF file from Windows Explorer, you get the error

Run-time error '3055', Not a valid file name

The windows Association for the file extension .HLF is incorrect Runtime Error 3055

Possible Microsoft Access issue on computer.

When trying to load into FIG Trees, user will either get a; Runtime Error 6 (Overflow) or; Error in Form 4 - Form Load, the application cannot continue Runtime Error 6

Unhandled Exception When clicking the 'Finish Area #' button at the completion of the AutoCALC process, a diablob box pops up; "Object reference not set to an Instance of an object" Just in time JIT Just-in-time System.NullReferenceException: CalcingNameSpace.AutoCalcForm.redButton

When trying to insert a hanger, either with layout hangers, single hangers or autohang, you get this error message

It may also put a single random hanger out in space then kick you out of the command

When using Rapid Pipe/Rapid Line/Rapid Main, you do not see the tooltip which indicates your future pipe lengths

Error: bad argument type: lentityp nil

AutoCAD Error Aborting FATAL ERROR: Unhandled Access Violation Reading 0x00e0 Exception at d65273feh Fatal Error

After adding a Secondary Curve to your water supply, you decide you don't want it, it's impossible to remove the secondary curve value.