Cura 3.4.1 won't load

[FalmouthLouis 3]

I've tried downloading Cura 3.4.1 a number of times and, after it has unstalled the earlier version of 3.4, I get the following

 

If I press Ignore, I get the same message regarding the cura.exe file.

 

Any suggestions as to what may be wrong?

 

[FalmouthLouis 3]

This problem has gone away, and, after rebooting my laptop, the installation went OK.

 

Having said that, the problem showed itself on Friday and, again, this evening (Sunday). I'm pretty experienced in handling these downloads, and something had me beaten,