..after i've upgraded my Toshiba satellite..from vista to Windows 7 ultimate...i installed adobe photoshop cs3...but doesn't run..it just flickers once n jus disappears...with no any further msg...plz help me...
Photoshop CS3 is listed as compatible with Windows 7, both 32 and 64 bit.
http://www.microsoft.com/windows/compatibility/windows-7/en-us/default.aspx
That doesn't help you, other than to let you know that you should be able to install it.
If you installed Win7 as an upgrade over Vista, and Photoshop was installed before the upgrade, I suggest that you uninstall Photoshop and re-install it. If things are sufficiently messed up, you may want to try the CS3 clean up script:
http://www.adobe.com/support/contact/cs3clean.html
(It's intended to get rid of beta copies, but it may work with the released version as well.)
Good luck.