Is reinstalling Windows not an option? That normally fixes issues that might appear. If your issue is not hardware-related, a reinstall would be the easiest way to get the OS running optimally again if you're not getting anywhere with the more basic troubleshooting steps (i.e. reverting updates, creating a new Windows user profile, running System Restore and so on).
Before you reinstall the OS, you may want to check the health of your HDD/SSD. You can do this with a program such as "CrystalDiskInfo". It is a handy program that can tell you how your HDD/SSDs are doing. The health status should read, "OK". Sometimes, when drives begin to fail, they may show S.M.A.R.T errors. This is what CrystalDiskInfo looks at to determine the health of a drive.
If there's no errors, it doesn't mean the drive is OK, just that it's likely to be OK. Some drive errors don't always show S.M.A.R.T errors.
Given you're experiencing issues with programs opening/loading, it is worth checking the health of the drive. A failing drive can cause symptoms like this. Windows doesn't always detect drive failures.
If you're certain hardware is not responsible for your issues, a reinstall is the best course of action. A reinstall is effective at resolving software-related problems when the problem is complex. Finding some faults can be very time-consuming and rather than waste time trying to hunt down the cause, it's easier to start from scratch.
Windows 10 has been a rock-solid stable OS for me. I've had no issues since upgrading from Windows 7. It's the best version of Windows once you get over the nostalgia of the old OS' (i.e. Windows 7). If it's misbehaving, it's either a hardware fault (bad hard drive or another important component) or software (can be difficult to track down).
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27-Oct-2020 02:24:04