Try doing this once :- 1. Click Start, type msconfig in the start search box, and then press Enter. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue. 2. Click the Tools tab. 3. Click Disable UAC and then click Launch. 4. A command window appears, and shortly thereafter, a notification bubble appears informing you that UAC is disabled. 5. Click Ok and restart your computer to apply the change.
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