Trying to update Windows 7/8/8.1 or 10 can sometimes prove to be rather difficult. Windows Update seems to be a haven for errors, as there are so many different types associated with it. These errors may appear to be random, but I assure you, they all have their own error codes which after careful analysis will identify the root cause.
When Windows 7/8/8.1/10 first arrived on the scene, they were all wrought with issues. Nothing surprising there; as is typically the case Microsoft released a number of patches and security updates, many of which successfully addressed these issues. However, not all of these errors were successfully ironed out, namely error 0xc000021a.
Error 0x0000001 is a critical STOP error that sometimes appears in the form of a blue screen of death (BSOD) error message, preventing you from using your system when it does. This error usually occurs while the computer is booting up and refers to a system issue brought about by a mismatch of asynchronous procedure calls (APC) and thread indexes, which refers to a comparison between processes within the critical area of the system.
You’ve been using your 64-bit operating system for a while now, up until Windows Defender suddenly stops working. There appears to be no real reason why that is. However, whenever you attempt to start Windows Defender you receive the error code 0x80073b01.
MSASCui.exe is a file that belongs to the pre-installed Windows Defender internet security tool. Its purpose is to enable the end user to scan for spyware on their computers by providing the interface to do that. Windows Defender comes as part as the Windows Live OneCare.
Turning on your computer, you go to Windows Update Center and realise that all your updates have fail consistently, with the error code 0x80070652. While using your Windows based operating system, you receive a notification referring to the installation of a specific update; it starts but fails due to whatever random reason. You shut your computer down for the night, then turn it on in the morning and receive another notification stating that it’s “Restoring the previous version of Windows”.
The ose.exe file has gone through a number of iterations since its creation as a process belonging to the Microsoft Office Suite; it is officially described as a file used for saving installation files that are required for repairs and updates, and also Watson error reports. Ose.exe is a non-system process, and as a non-system process it can be stopped because it is not integral to the smooth functionality of your operating system.
The vast majority of applications that you use on your computer will generate an error at some point during its life cycle, and applications created by Apple, are not immune to this reality. The iTunes application is a tool used for a variety of purposes, such as to sync media to your iPad or iPhone, and also to restore or update your device(s).