If you have been following our blog for a while, you know something about what problems you may encounter installing our products and how to solve them. We have already examined what happens when the system requirements are not observed, but there is another common reason why installation may fail. Here in Kaspersky Lab Technical Support, we call it “leftovers”. For those who speak literary English, we will paraphrase it as “system files and registry keys remaining after a previously installed Kaspersky Lab product had been removed.” If a previous version of a product was not uninstalled completely, you may be unable to install a newer version.
Where do the leftovers come from? First of all, they may appear because of the operating system errors. If your Windows copy is damaged and works incorrectly, it may result in the malfunction of the Windows Installer […]