User Account Control, or UAC, is a security mechanism built into Windows. Here's how to change its protection level and whether you should disable it.

User Account Control (UAC) helps prevent unauthorized changes. We don't recommend switching it off.

Microsoft says the August 2025 security updates are triggering unexpected User Account Control (UAC) prompts and app ...

Mirosoft confirms after installing KB5063878 update and changing UAC is causing MSI Repair Prompts breaking app install on ...

The most recent Windows security patches, identified as KB5063878 and KB5063875, were intended to strengthen the system against privilege escalation exploits, specifically CVE-2025-50173.

Microsoft points out a side effect of the August updates. User account control prompts appear when MSI repairs are started.

Fix This app can't be activated when UAC is disabled OR You can't open an App while User Account Control is turned off, Enable UAC to fix it!

Alex Diluzio wants a say in when those annoying User Account Control messages pop up. User Account Control (UAC) is almost certainly Vista’s least popular added feature. Designed more to protect ...

Here's how you can easily turn off the user account control (UAC) in Windows 7.

User Account Control: yes, you can turn it off. Is this a good or a bad thing? Not only can you turn UAC off, but other applications can do it for you.

Windows Vista only: Free utility Norton User Account Control replaces Vista's default UAC with a more user-friendly and more secure UAC. The administr ...