Did you install with administrative rights.?

>We have been using XFRX for years across 100's of installs but have just come across a bizarre issue and have no idea how to resolve;
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>On ONE workstation in a new installation of 20, the xfrxlib.fll keeps reporting as "invalid", now I know this normally relates to wrong ancillary files, but here is the weird bit - if I copy a new xfrxlib.fll into the folder it works fine and then continues to work fine until next time the client reboots the PC it then does not work until we copy in a new file again.
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>xfrxlib file date, time & size don't change so they are not being overwritten.
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>Any ideas?
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>Gary.