If it's a stand-alone version of AutoCAD, there may be a previously installed network version of AutoCAD which is confusing Acad as to where it should be looking for its licence. n/a Splash screen AutoCAD 2012

any command involving lisp routines takes FOREVER. Adding a head, cut in a tee etc. The issue is drawing specific. add head, cut in tee newer update?

The "SECTIONPLANE" command caused various pieces of the 3D Details to disappear. You may be able to delete the SECTION PLANE and have the missing items reappear. n/a n/a Hcad v52+

These ARX errors can occur when trying to open a DWG file containing new type of objects (objects coming from a newer version).

ANNOMONITOR set to something other -1 yellow exclamation

Riser Nipple center to center and cut dimension properties are both on the same layer. Turn off SPRKDATB and cut dimension does not turn off. SPRKDATB layer did not exist when riser nipple was inserted or a V45 template was used to start the V50 or V51 drawing or drawing was converted from V45 to V50 or V51 HydraCAD v5x.any

1. Duplicate set of toolbars in the AutoCAD Partial Customization Menu, resulting in CLOUDS being shown instead of icons.

When Opening HydraCAD or trying to list a drawing, you recieve any Error containing the following CLSID:

44D62FAE-67A7-4131-BF38-489CDFE44738

Or any of the following HRESULT error numbers:

0x800736B1

0x80040154

0x80070002

0x80080005

0x80029C4A TYPE_E_CANTLOADLIBRARY

New nodes will be inserted with an elevation of 0. The existing node has an existing elevation other than zero, therefore the attributes don't match and it won't delete the previous node. HYD Layer HydraCAD