Warning about new Cyberlink Programs

[Logunsrun5]

Do not download and install the trial versions of
Mediashow 4,
Power Cinema 6,
Power Director 7 and
Youcam 2.
These apps act like viruses and change your folders and apps to function differently. Desktop icons open the properties of it's folder instead of the folder. There may be other problems I haven't noticed yet. I would be even more angry than I am if I had purchased these programs before trying them.

[the gaffer]

sounds like incompatibility issues to me,is your pc up to the minimum spec required for the apps to run properly ?? the changing of the way things work is most likely due to the setting of the program,IE when some apps are installed they ask if you want them to be default for certain file types etc,most people just sit clicking yes yes yes yes etc without realising what is happening and what they are agreeing to.