On this page FIXMAPI 1.0 MAPI Repair Tool has stopped working - Microsoft Community Someone mentions they opened a case with microsoft and that there is a fix coming in build 16.0.8420.100  that will be released sometime in September. Users report this error occurring with pdf handlers and even snipping tools. ... View more

Mine is similar. Also after opening a PDF, making changes or signing it, then emailing it with the email button in adobe we get the adobe has stopped working error. ... View more