On July 12 I bought TechUtilities program (Invoice ID: KNX5L5ME). I can't open it because it seems to be incompatible with my Windows 10 x64. Shall I uninstall it? Any suggestions?
If the application doesn't work on your PC, then you are entitled automatically to request a refund in an interval of 30-60 days from when you purchased it. You should contact the seller from where you've acquired it from and ask for a refund.
Also, Tech Utilities belongs to the following developers. You should contact them to ask for a refund: http://wiki-errors.com/contact-us/