Always be careful when deleting system files.
Windows will begin deleting system files.
Any time that an action is about to be performed that requires Administrator status (installing a program, writing to or deleting system files, changing critical system settings, etc)., the user will be asked to allow or deny the action, and must respond to the prompt to continue.
Installation frequently stalls, there is not enough memory, it crashes mid-way thorough and then nothing is operational -- neither the old, partially deleted system nor the new, partially installed system.
Do not delete system folders.
We denote by ωact the series of actions obtained from ω after deleting all system states, and by ωst the series of system states obtained from ω after deleting all executed actions.
It's not like deleting critical system files or anything; you just won't be able to, say, sync with an Apple Watch if you don't have the Watch app.
If you delete operating systems files then you may need to reinstall your current operating system.
They're making sure that Apollo can't wreak havoc (it won't be able to write to or delete system folders and each Apollo application is sandboxed so that Apollo applications can't steal data from other Apollo applications).
A standard user has limited control over system changes and cannot install programs, delete system files, or change settings.
