When you find that the recently installed programs on your Windows 11/10 PC disappear after a restart, follow the following steps to fix the problem. Run a malware scan Install apps for all users ...
Have you scrapped your old computer but forgotten to uninstall Microsoft Office? Here's how to remove it afterwards.
Its probably some sort of trojan that creates a malformed add/remove on purpose(you said you can see other programs, just have to scroll). Get regcleaner(freeware ...