Access is denied in Vista
Mathematical Software. Mathematical Research. Mathematical Education. Tvalx Products.
If you get message "Access is denied" in Vista or Windows 7 during activation or uninstalling
program, use following procedure to change permissions for folder Tvalx.
Click Start. Click Computer. Double click Local Disk(C:). Double click folder
Program Files. Right-click folder Tvalx. Choose from right-click menu Properties.
Click tab Security. Find and select group Users in "Group and user
names". Click button Edit. In Permissions for Tvalx check Allow Full Control.
Click OK.
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