: Obtain a clean copy from a known good installation. Run COMPILE on a valid .shp source if you have it. Problem 2: Arabic Characters Appear Separated (Not Cursive) Cause : By default, Naskhd.shx expects contextual shaping —but some older text objects store Arabic as isolated glyphs because the original drafter used a broken text editor.
To the untrained eye, this error is a minor inconvenience—a font substitution that might go unnoticed. But to a drafter, surveyor, or GIS professional working with Arabic script, the appearance of is critical. Substituting it with a default Roman font (like txt.shx or simplex.shx ) turns elegant Arabic calligraphy into a string of meaningless symbols: ### , ??? , or disjointed Latin characters. Font Naskhd.shx
: Use a dedicated SHX-only text style for Arabic. Never mix SHX and TTF in the same style when working with bidirectional scripts. Problem 4: Plotting to PDF Reverses the Character Order Cause : Third-party PDF drivers (especially older ones like PDF Creator) do not respect AutoCAD’s internal SHX shaping. Characters are exported in logical order but rendered incorrectly by the PDF viewer. : Obtain a clean copy from a known good installation