I get the subject message when endeavor to install several most any application on my system. I have tried troubleshooting steps outlined in additional threads to reset the folder permissions on the AppData folder corresponding to the exaggerated user profile, they have comprise not worked. Are there several registry subkeys I am able to locate and perhaps modify/remove to accurate this tribulations. I have attempted to contact tech hold up or maintain for various software vendors and they moreover tell me itís a general Windows error or unconnected to their software or they give me the troubleshooting steps to reassign folder permissions. Neither of these solutions is helping me out here. I am recognizable by means of navigating and modifying the Windows registry in general, additional than this one has me perplexed. I understand the implications and consequences of inappropriately modifying the Windows registry, and do generate backups prior to conducting several modifications. What should I do in this case.