error in compiling Quartus 9

[Altera_Forum]

hi 

im using Quartus 9 and I designed a 4 bit counter, im sure my designation is true and I followed step by step on training movies to compile my project but i have these errors. I can see these vhdl files in my computer I thing there is a problem in Quartus not in my designation. please help me  Info: ******************************************************************* Info: Running Quartus II Analysis & Synthesis  Info: Version 9.0 Build 235 06/17/2009 Service Pack 2 SJ Web Edition  Info: Processing started: Tue Nov 22 18:45:39 2011 Info: Command: quartus_map --read_settings_files=on --write_settings_files=off hi -c hi Info: Found 1 design units, including 1 entities, in source file hi.bdf  Info: Found entity 1: hi Info: Elaborating entity "hi" for the top level hierarchy Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/std/standard.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/altera_internal_syn.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/altera_syn_attributes.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/std/textio_vhdl93.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/std_1164.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/numeric_std.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/numeric_bit.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/math_real.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/timing_p.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/timing_b.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/prmtvs_p.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/ieee/prmtvs_b.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/synopsys/syn_arit.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/synopsys/syn_unsi.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/synopsys/syn_sign.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/synopsys/syn_attr.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/synopsys/syn_misc.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/mentor/mgc_arit.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/mentor/mgc_qsim.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/maxplus2.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/megacore.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/altera_primitives_components.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera_mf/altera_mf_components.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/lpm/lpm_pack.vhd" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/APEX20KE_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/APEX20K_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/APEXII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/FLEX10KE_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/FLEX6000_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/MAX_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/MAXII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/ARRIAGX_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/STRATIX_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/STRATIXII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/STRATIXIII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/STRATIXIV_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/CYCLONE_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/CYCLONEII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/wysiwyg/CYCLONEIII_COMPONENTS.VHD" Error (10660): Can't find standard library file "c:/altera/90sp2/quartus/libraries/vhdl/altera/altera_europa_support_lib.vhd" Error: Quartus II Analysis & Synthesis was unsuccessful. 40 errors, 0 warnings  Error: Peak virtual memory: 210 megabytes  Error: Processing ended: Tue Nov 22 18:45:40 2011  Error: Elapsed time: 00:00:01  Error: Total CPU time (on all processors): 00:00:01 Error: Quartus II Full Compilation was unsuccessful. 42 errors, 0 warnings

[Altera_Forum]

are those files in the directory they are supposed to be? 

have to tried re-installing? have you tried a newer version of quartus?

[Altera_Forum]

yes the vhdl codes of them are in the file 

i use Quartus 9 and for a simple circuit that has just and , or I recieve those errors , I didnt have such problems same days ago :(