This is a very common problem women complain about, but it is mostly due to a primary misconception. Many people upgrade from Boyfriend 5.0 to Husband 1.0 with no idea that Boyfriend 5.0 is merely an ENTERTAINMENT package. However, Husband 1.0 is an OPERATING SYSTEM and was designed by its creator to run as few applications as possible. Further, you cannot purge Husband 1.0 and return to Boyfriend 5.0, because Husband 1.0 is not designed to do this. Hidden operating files within your system would cause Boyfriend 5.0 to emulate Husband 1.0, so nothing is gained. It is impossible to uninstall, delete, or purge the program files from the system, once installed. Any new program files can only be installed once per year, as Husband 1.0 has severely limited memory. Error messages are common, and a normal part of Husband 1.0. In desperation to play some of their "old time" favorite applications, or to get new applications to work, some women have tried to install Boyfriend 6.0, or Husband 2.0.
However, these women end up with more problems than encountered with Husband 1.0. Look in your manual under "Warnings: Divorce/Child Support." You will notice that this program runs very poorly, and comes bundled with Heartbreak 1.3. I recommend you keep Husband 1.0, and just learn the quirks of this strange and illogical system.