Kia haal hain dosto umeed hai app sab kheriat say hongey yar muhg ko ye poch na hai mere pass laptop hai 64bit operating system mere autocad run ker ta ho to ye error aa ta hai known compatible issue Run Or close main run ker ta hun to run hoja ta hai but ye error aata kyun hai or main 2011 version use nahi ker sak ta kyun kay abhi main 2007 per work ker ta hun center main or ghar main ?