Note: should you get a  The package integrety check failed  / not a valid win32 application error installing the software
please use the following instructions.

(Please use the poll on the right to let us know if you got this error or not?)

To clear your cache:

1.
On the Internet Explorer 6 Tools menu, click Internet Options. The Internet Options box should open to the General tab.

2.
On the General tab, in the Temporary Internet Files section, click the Delete Files button. This will delete all the files that are currently stored in your cache

(Or go to: http://www.microsoft.com/windows/ie/ie6/using/howto/customizing/clearcache.mspx)


Or if you have IE7:


Close all instances of Outlook Express and Internet Explorer and
Windows Explorer (yes Windows Explorer uses the Internet also)
Control Panel | Internet Options | General tab
Click the "Delete Files" button
http://www.mvps.org/winhelp2002/delcache.htm

After cleaning the temporary files download basicmouse again and you won’t see the not a valid win32 application (I hope )