When Squish is installed it does not change your system's settings, all it does is install files in particular directories. This makes uninstalling Squish easy---simply a matter of deleting the relevant directories.
To uninstall Squish do the following:
Delete every Squish installation directory on your computer. These directories often begin with "squish-".
Delete the Squish configuration directory. On Windows this is the
%APPDATA%\froglogicfolder and on Unix-like systems such as Linux and Mac OS X it is the~/.squishdirectory.Delete the Squish license file. On Windows this is the file
%USERPROFILE%\.squish-3-licenseand on Unix-like systems it is the file "~/.squish-3-license". (The same license file is used for both Squish 3 and Squish 4.)On Windows also delete the
%USERPROFILE%\Squish Test Resultsfolder.
Windows users should type %APPDATA% and %USERPROFILE% exactly as written, e.g., in Windows Explorer. If %USERPROFILE% isn't defined try using %HOMEPATH% instead.