Edit the .ini files in the LaserworkV5 folder using notepad or your preferred text editor.
You'll see the two ini files which are the English ones with date modified in 2012. I haven't fixed all the spelling mistakes but relabelled most things according to my twisted version of what I call logic. You can play with the files and keep your originals under a different name to restore when you want.C:\Program Files (x86)\Corel\CorelDRAW Graphics Suite X5\Programs\LaserWorkV5>di
r *.ini
Volume in drive C is OS
Volume Serial Number is 18B3-C130
Directory of C:\Program Files (x86)\Corel\CorelDRAW Graphics Suite X5\Programs\
LaserWorkV5
18/08/2010 17:22 13,523 Lang_chs.ini
18/08/2010 17:22 13,633 Lang_cht.ini
16/02/2012 23:32 17,021 Lang_eng.ini
18/08/2010 17:22 16,494 Lang_other.ini
26/01/2011 00:29 442 Preview_chs.ini
26/01/2011 00:35 444 Preview_cht.ini
16/02/2012 23:14 541 Preview_eng.ini
17/03/2010 18:11 524 Preview_other.ini
8 File(s) 62,622 bytes
0 Dir(s) 448,382,382,080 bytes free
C:\Program Files (x86)\Corel\CorelDRAW Graphics Suite X5\Programs\LaserWorkV5>
Not sure how I can post a non-image attachment, but if you want them PM me with an email address.
Note you'll have two copies of Laserwork on your hard drive, even if you "plug laserwork" as I did following your advice. One in the C drive (or your root) and one in the location I show above.