Had the same problem with build 17133 on my computer, I solved it by accident using Winaero Tweaker. I enabled Aero Lite theme then restored the default theme. This sorted it for me and it was ok when updating to 17134.
Guys. So tomorow we will be able to download the RS4 final build via the MCT or with the Update Assistant. You think the final build will be integrated with this "zero day patch"? Or we have to download after a clean install of "17134.1"? How i saw in this forum, the guys who did a clean install not able to download the "KB4135051" because its only for insiders.
Reading for a long time this forum, so...blah blah here it is: Anyone did notice a bug in "Solver" plugin for MSOffice 2016ProPlus after installing ANY of the updated version of new Spring update? Including this latest? Not an insider, but a "user" since 3.11.. Learned lots of things from here recently, btw...! love this forum sorryz for spamming :|
Nope usually the Cumulative Update doesn't get integrated. UUP/ESD/ISO/MCT deliver 17134.1. Only UUP Pack contains the CU CAB, what will be used by Windows Update to incorporate the CU during the Upgrade to the new build.
The final build, as always, will be the same one that Insiders had originally. In this case that means 17134.1, so any zero day patches will be applied during or after the install, if they've been made available at that time.
It's when a patch becomes available to the public - prior to then only Insiders see it, but it can be downloaded as a .cab file. A .msu file can be downloaded from the Update Catalog and double-clicked to install it.