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Hi, first try eliminating the effects of anything hooked into or added to explorer.
The widely posted (and repeatedly posted here) approach to start with is to disable all shell extensions (contest menu items added by installed programs).
Install Shellexview (free). Hide all MS extensions- do not disable these. Disable all others - no need to log off. Retry and see if anything's changed.
If yes, identify the culprit.
If not, inspect the context menu- and try SHIFT rt click too.
If more items remain, you can disable them using Autoruns (free from MS) - this reveals much more and much more than shell extensions so may appear daunting. Again, it's just tick, untick to enable, disable.
Other simple options:
Try a clean boot.
(Unsure what that is? Google 'What is a clean boot?' or see the tutorial here)
Check in Safe Mode- hopefully there won't be crashes there.
If still problems, do basic routine checks:
1. First check your disk(s):
Download and run Hard Disk Sentinel (trial) (includes SSDs)
(This gives exceptionally good text comments)
Post a screenshot of its GUI using the Insert Image icon above your post.
If all disks are reported as good, continue.
2. Now check your file system:
From an admin command or powershell prompt
[Windows key + X, click command prompt (admin)]
chkdsk C: /F
Your PC will need to restart.
Post back the result, which you can get after a restart as follows:
Read Chkdsk Log in Event Viewer in Windows 10 | Windows 10 Tutorials
or
How to read Event Viewer log for Chkdsk in Windows 10 [Tip] | dotTech
3. From an admin command or Powershell prompt run
SFC /SCANNOW
Post the results of the above.
What is your Windows build and build number?
Windows key + R, winver