Troubleshoot KKW Files
Issues Opening KKW Files
Adobe RoboHelp is Not Installed
Double-clicking your KKW file prompts the message "%%os%% Can't Open KKW File". Generally, this is experienced in %%os%% because Adobe RoboHelp isn't installed on your PC. The typical path of opening your KKW with a double-click won't work because %%os%% cannot make the program connection.
Tip: If you don't have Adobe RoboHelp installed, and you know of another program to open your KKW file, you can try opening it by selecting from the programs listed under "Show Apps".
Adobe RoboHelp is Out-of-Date
It is possible that your version of Adobe RoboHelp isn't able to open your Adobe RoboHelp Keyword Help Project Index File file due to incompatibility. Visit the Adobe Systems Incorporated website to download (or purchase) the latest version of Adobe RoboHelp. This issue mainly occurs when your Adobe RoboHelp Keyword Help Project Index File file was created by a newer version of Adobe RoboHelp than you have on your PC.
Tip: Right-clicking on your KKW, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.
Ultimately, most of the difficulties opening KKW files are due to having the wrong version of Adobe RoboHelp installed.
Associated Difficulties Loading KKW Files
You can still experience errors opening KKW files even with the latest version of Adobe RoboHelp installed on your PC. If you are still having problems opening KKW files, there may be other issues that are preventing you from opening these files. Other contributing causes:
- KKW file references in the Windows Registry are broken
- Corruption of the KKW file description inside the Registry
- Adobe RoboHelp or another KKW application experienced a flawed installation
- KKW file corruption
- Malware-tainted KKW file can't be opened
- Device drivers for KKW-related hardware are out-of-date
- Insufficient system resources to successfully open Adobe RoboHelp Keyword Help Project Index File files
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