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Infopackets Reader Terrel W. writes: " Dear Dennis, I installed Windows 10 on my laptop about 2 months ago. Just recently the laptop has been extremely slow; whenever I click on anything, the cursor will spin for literally 3 to 5 minutes before I am ... able to do anything. Any action I take on the computer - whether it's a right click on the desktop, or launching the browser - results in the same spinning. This is not normal behavior! I have tried the Windows 10 Reset but it gives me an error. Can you help? " My response: I asked Terrell if he'd like me to connect to his system using my remote ... (view more)

Infopackets Reader Gerry O. writes: " Dear Dennis, I am running windows 8.1 and have a program that reports an ntdll.dll failure. Will an upgrade to Windows 10 (not clean install) create a new ntdll.dll file, would I need to do a clean install of ... windows 10? Is there another way of getting a clean ntdll.dll file without upgrading? " My response: The file ntdll.dll is typically located in c:\windows\system32, and in very old versions of Windows (such as Windows XP), in the c:\i386 directory. The ntdll.dll file is a legitimate dynamic link library file (DLL) and is referred to as the "NT Layer ... (view more)

Infopackets Reader Nigel S. writes: " Dear Dennis, Today my Windows 10 computer rebooted to finish installing updates, but then I received an error message that update KB3122947 'failed to install', with an error 0x80070643 - whatever that means. I ... clicked on the More Info link that didn't help me fix the problem. Can you help? " My response: Based on what I've read online, update KB3122947 has failed to install for many people - in fact, it failed to install on one of my systems. There is, however, a workaround and it involves using the administrative command line. Unfortunately the ... (view more)

Infopackets Reader Sam G. writes: " Dear Dennis, My Windows Update won't update. It happened when I upgraded to Windows 8.1; I had over 100 updates to download. I managed to download most of them but there were a few that failed. Windows Update says ... the error code is 8007045B on the failed updates . I did a search for 8007045B in Google but the information is conflicting, confusing, and for the most part all the articles I've read go around in a loop. I also came across an article on PC World which says to do revert my restore point - but that didn't work, either. Apparently ... (view more)