Frequently asked questions for self help.
Please take a quick look at common questions (and answers) in the default list. If you can't find what you're looking for, start off by selecting your Ability Office version and then narrow it down by entering search text and/or category.
Knowledge base article 185Windows installer error 1638
Simply means Ability is already installed. If you are installing an update, please uninstall your existing copy first.
To uninstall, type "add or remove" in the Windows search box (bottom left usually) and you should be offered the Add or remove programs control panel applet. Open up the applet and Ability Office will be in the list - click and uninstall.