Description of problem: Ark v2.19 (using KDE 3.2.2-3 Red Hat)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Start Ark
2. Try to open a *.tar.gz
Error box: "I can't fork a decompressor"
it's fixed in kdeadmin-3.2.2-2 (FC2 release). Thanks for your report