Unfortunately, but the in-built Windows Defender and User Account Control (UAC) service often function overaggressive. Some of them were released with Windows 8 and 8.1, but the bulk of security features emerged with Windows 10 exceptionally. Besides, none of the older Windows features has had an in-built AV engine, thus leaving the responsibility of the system's protection to the uses' hands.įor this reason, Microsoft developed a variety of security-oriented features, for example, in-built Windows Defender or User Account Control (UAC) service. Older Windows versions did not have the protective service for verifying files and programs that the PC's owner attempts to download or install.

Microsoft has represented many innovations regarding the security with the Windows 10 since previous OS versions has been condemned for weak security system. Although there are some reports about this error occurring on older Windows versions (7, 8, 8.1), it is most frequently received by Windows 10 users after installing Feature Updates. “An administrator has blocked you from running this app” is a Windows OS error, which prevents its users from downloading/installing applications or system drivers.

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

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