The file zcompare.ppl is part of Kaspersky Anti-Virus 5.0 for Windows Workstations from Kaspersky Lab. Kaspersky labs is a Russian company, and their antivirus program is considered one of the better ones available in the market. This file is part of their antivirus for Windows Workstations.
If you are getting an error with this file, your workstation may not be secure from viruses. To fix this problem, you can get your IT person to come and reinstall the antivirus program, or you can run a registry cleaner.
For any computer, including those on networks, regular maintenance should include cleaning the registry. The Windows registry is a complicated database that tells your computer where all your programs are located and how to run them. Information in the registry can get outdated, so it is a good idea to run a scan that looks for and fixes incorrect entries.
ZookaWare PC Cleaner is guaranteed to find and correct 100% of the errors in your registry. Run ZookaWare PC Cleaner to keep your workstation running clean.