"T.E. Maker" wrote:

Explorer shoot down with an error when it try to open particular folders with
specific file types (.MOV , .MP4) ,when it try to make preview for some of
them(not for all, but allmost). And sometimes it ruin graphic (screen
responce) and demand to reboot the system. it VERY annoying!!

What is the exact verbatim of the error message?
Scan for malware and viruses on your machine and let us have the error
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HTH
nass
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