Forum Discussion
BrittanyN
Jan 09, 2026Copper Contributor
Classic Outlook Keeps "Not Responding" and freezing
Hi there, I tried to scour for something similar, but I couldn't find anything and/or it didn't work - so here I am - hopefully someone can help. Okay the facts - I use Classic Outlook (CO movi...
Imanindependent1
Jan 22, 2026Copper Contributor
I was having crashes of Outlook Classic dozens of times a day until I discovered that the problem is that the Microsoft Update KB5074109 that was automatically put on my computer in early January has serious issues regarding POP email accounts. When I uninstalled KB5074109 Outlook Classic again worked fine. However, last night Microsoft did a "forced-install" again of their crappy KB5074109 and my Outlook Classic crashed again. So I uninstalled it again and Outlook works again. It's outrageous that Microsoft is doing forced-installs of an update they know has serious issues!