Logitech Mouse not selecting with click and drag

My mouse is very erratic when I left-click and drag to select anything including text om MS Word or on any websites but most importantly in PS CS4 image areas. It will either select nothing, or parts of a line or select something and then lose track of it or very occasionally work just fine. This issue is not specific to any software package, it happens no matter what I am using or doing. IE8 or Firefox browsers make no difference. Any help is appreciated.

New build with Windows 7 Pro full edition all updates installed.

ASRock A780GXE/128M AM2+/AM2 AMD 780G ATX AMD Motherboard w/
ATI Radeon HD 3200 Graphics card onboard
AMD Phenom II X4 940 Deneb 3.0GHz Socket AM2+ 125W Quad-Core Black Edition Processor Model HDZ940XCGIBOX
8GB OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)
Western Digital Caviar Blue WD6400AAKS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive
Sony Optiarc DVD Burner with LightScribe Black SATA Model AD-7241S-0B
Rosewill Conqueror RPS-01-WB500 ATX Mid tower w/500W Power Supply
Windows 7 Professional Full version (no upgrade)
Logitech MX3200 wireless keyboard
Logitech MX Laser wireless Mouse


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