Symptoms

When launched, HelpNDoc shows an error message saying that an exception occurred.

Solutions

Software incompatibility: Sticky Password

The software "Sticky Password" is known to force many Windows applications to crash. Here is how to fix this problem is you are using this software:

• Navigate to the main Sticky Password window - Menu - Settings - Ignored Apps and try to add the executable file of HelpNDoc to the list. Usually, this is "C:\Program Files\IBE Software\HelpNDoc\HelpNDoc 9\hnd9.exe"
• If it doesn't help, on the same tab in the main Sticky Password window - Menu - Settings - Ignored Apps, try to disable autofill for the 32bit or the 64bit applications accordingly to the version of HelpNDoc that you are using.