How to remove a Windows XP System Environment

How to remove a Windows XP System Environment Variable through a batch file with non admin access. This is what‘s currently set as a system environment Variable: PDM_LDB_PATH %ptc_drive%\data\prowork Doing the following and does not allow the user without admin access to make changes. setx PDM_LDB_PATH "" -m (this makes the path blank) Any ideas

• › [Solved] can i use a windows xp recovery disc on a windows xp system?
• › How to repair a failed repair install logon in safe mode
• › get rid of blue screen of death when istalling windows xp
• › [Solved] How to remove Domain from XP? No password. TIA! :)
• › how do i reinstall windows root system to my pc?
• › Is there an easier way to sysprep XP machines to Win 7
• › [Solved] I have a windows XP laptop.Upgrade or discard?