WE freezes when deleting objects

[bia]

hi guys my WeU sometimes freeze when i am deleting custum unit and etc... is there way to bypass it here is my comp spec
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System Information
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Time of this report: 5/21/2008, 14:55:12
Machine name: BIA-83D1850DAF0
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_qfe.070227-2300)
Language: Czech (Regional Setting: Czech)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 5000+, MMX, 3DNow (2 CPUs), ~2.6GHz
Memory: 3582MB RAM
Page File: 908MB used, 4555MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode


Ps... i have 8000MB ram but stupid 32 bit os may use only 3.6 and 64x vista are total failture ....

 

[Need_O2]

Windows -> Brush list
turn it off

 

[bia]

oh cool thx alot