Hello everyone. After installing SP1 a few days ago, my Windows Sidebar only shows white blocks where the gadgets used to be. But it goes far beyond that with problems like YouTube videos not showing up on their website, Google image search results not displaying, various Java coded parts of websites not working, AIM text not showing up in instant message boxes, etc. Though this series of glitches first began several months ago when I accidently ended a process in the task manager (don't remember which one) and all of these problems showed up the next time I restarted my laptop. But after reverting to a previous restore point, the glitches went away up until I installed SP1.
I've tried reinstalling and upgrading the Java Runtime Environment and that did nothing. I tried the fixes mentioned on this forum about the Command Prompt and the specific .dll files and that did nothing either. The thing that may fix it is restarting the process I accidently ended months ago but I don't even know what should and shouldn't be in the process list. Going back to a previous restore point before installing SP1 will do nothing as all of these problems will most likely come back after installing SP1 again. Anyone ever experience this before and knows how to fix it? I'm dreading the idea of restoring my entire laptop from scratch to permanently fix this

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Laptop in question:
Dell Inspiron E1705 – Windows Vista Home Premium with SP1