Autodesk Inventor

[#1]

after i See JDMather and karthur1 post,  i try to download SP1.1 and install that , redraw sketch in new part and put every panel in separate Block ( JDMather advise ) but when i want insert coincident betwen 2 point of Block again ........ look to pic

[#2]

my system configuration is :

CPU Core i7 3610 QM

VGA ; GForce GTX 660m

Ram : 8GB

HDD : 750 GB

WIN 7 Home Pre

Office 2003

i Update my Windows and Inventor SP

i want know has this error relationship with this config????

[#3]

interesting , i download a sample file from this forum and try to change for find solution and again this **** error appear.

should i reinstall Inventor ??!!!???!! 

[#4]

Probably first try the repair install.  If that doesnt work you could do the reinstall.  Did you install SP1.1?

[#5]

ok, tnx , yes i Install SP1.1