Big problem in AutoCad2012

[AmrMagdy]

When i open any file.dwg , i Can't find anything inside painting or part of the painting .

this occured after i used AutoCad2012 instead of AutoCad2011

please i need advice

[AmrMagdy]

Dear All,

thanks for all who support me to find solution.

the problem is solved when i make recovery for Xref.

thanks.

[AmrMagdy]

please i need Express Tools for AutoCad 2012 

because when i try to find it on CD Autocad , i can't found it.

so please i need support for download this tools

[Charles_Shade]

Express Tools are not available in AutoCAD LT.

Part of the price discount. Some have been emulated and over time incorporated into LT.

Describe what particular Express Tool you are looking for.

Maybe there is a workaround for it.