Try this
Option one: the easy way
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*Label hideTask showTask
hideTaskX $xTaskbarWidth-60$
hideTaskY $taskHeight-50$
hideTaskPaintingMode .image
hideTaskImage hideTask.png
hideTaskOnLeftClick !execute [!ParseEvars !xTaskbarMoveBy 0 -%#xTaskbarCurrentHeight+10%# 80 4][!LabelShow showTask][!LabelHide hideTask]
showTaskX $xTaskbarWidth-60$
showTaskY $taskHeight-50$
showTaskStartHidden
showTaskPaintingMode .image
showTaskImage showTask.png
showTaskOnLeftClick !execute [!xTaskbarMove 20 30 80 4][!LabelShow hideTask][!LabelHide showTask]
*xTaskbarOverlayTaskbar $xTaskbarWidth-60$ $xTaskbarCurrentHeight-60$ 33 33 shut #ta
shutPaintingMode .image
shutImage "shutdownback.png"
xTaskbarOnLeftClickUp !execute ["$ConfigDir$\iShut\iShut.exe"]
;shutActiveButtonPaintingMode .image
;shutHoverImage "hideTask.png"
;shutAlphaMap
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Option two: The hard way, adds Logoff ShutDown, Restart and Hibernate buttons
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*Label hideTask showTask ShutButtom
hideTaskX $xTaskbarWidth-60$
hideTaskY $taskHeight-50$
hideTaskPaintingMode .image
hideTaskImage hideTask.png
hideTaskOnLeftClick !ParseEvars !execute [!LabelHide ShutButtom][!xTaskbarMoveBy 0 -%#xTaskbarCurrentHeight+10%# 80 4][!LabelShow showTask][!LabelHide hideTask][!LabelMove ShutButtom %#xTaskbarCurrentX%# %#xTaskbarCurrentHeight-33%#]
showTaskX $xTaskbarWidth-60$
showTaskY $taskHeight-50$
showTaskStartHidden
showTaskPaintingMode .image
showTaskImage showTask.png
showTaskOnLeftClick !ParseEvars !execute [!xTaskbarMove 20 30 80 4][!LabelShow hideTask][!LabelHide showTask][!LabelMove ShutButtom %#xTaskbarCurrentX%# %#xTaskbarCurrentHeight-33%#][!LabelShow ShutButtom]
*xTaskbarOverlayTaskbar 0 $xTaskbarCurrentHeight-63$ $(xTaskbarWidth-25)/4$ $ShutButtomHeight$ FalseOff #as
FalseOffPaintingMode .image
FalseOffImage shutdownback.png
*xTaskbarOverlayTaskbar $ShutButtomWidth/4$ $xTaskbarCurrentHeight-63$ $ShutButtomWidth/4$ $ShutButtomHeight$ FalseLogout #as
FalseLogoutPaintingMode .image
FalseLogoutImage shutdownback.png
*xTaskbarOverlayTaskbar $((ShutButtomWidth/4)*2)$ $xTaskbarCurrentHeight-63$ $ShutButtomWidth/4$ $ShutButtomHeight$ FalseReset #as
FalseResetPaintingMode .image
FalseResetImage shutdownback.png
*xTaskbarOverlayTaskbar $((ShutButtomWidth/4)*3)$ $xTaskbarCurrentHeight-63$ $ShutButtomWidth/4$ 33 FalseSleep #as
FalseSleepPaintingMode .image
FalseSleepImage shutdownback.png
ShutButtomX $xTaskbarX$
ShutButtomY $taskHeight$
ShutButtomWidth $xTaskbarWidth-25$
ShutButtomHeight 33
ShutButtomStartHidden true
ShutButtomPaintingMode .image
ShutButtomImage .none
ShutButtomAlwaysOnTop false
ShutButtomAlphaMap true
xTaskbarBehindWindow "xLabel ShutButtom"
xTaskbarOnResize !ParseEvars !execute [!LabelHide ShutButtom][!LabelMove ShutButtom %#xTaskbarCurrentX%# %#xTaskbarCurrentHeight-33%#][!LabelShow ShutButtom]
xTaskbarOnEnter !ParseEvars !execute [!LabelMove ShutButtom %#xTaskbarCurrentX%# %#xTaskbarCurrentHeight-33%#][!LabelShow ShutButtom]
*ShutButtomOverlayLabel 0 0 $(xTaskbarWidth-25)/4$ $ShutButtomHeight$ ButtomOff #as
ButtomOffPaintingMode .image
ButtomOffImage shutdownback.png
ButtomOffOnLeftClickUp !execute ["$ConfigDir$\iShut\iShut.exe" -s]
*ShutButtomOverlayLabel $(xTaskbarWidth-25)/4$ 0 $ShutButtomWidth/4$ $ShutButtomHeight$ ButtomLogout #as
ButtomLogoutPaintingMode .image
ButtomLogoutImage shutdownback.png
ButtomLogoutOnLeftClickUp !execute ["$ConfigDir$\iShut\iShut.exe" -l]
*ShutButtomOverlayLabel $((xTaskbarWidth-25)/4)*2$ 0 $ShutButtomWidth/4$ $ShutButtomHeight$ ButtomReset #as
ButtomResetPaintingMode .image
ButtomResetImage shutdownback.png
ButtomResetOnLeftClickUp !execute ["$ConfigDir$\iShut\iShut.exe" -r]
*ShutButtomOverlayLabel $((xTaskbarWidth-25)/4)*3$ 0 $ShutButtomWidth/4$ $ShutButtomHeight$ ButtomSleep #as
ButtomSleepPaintingMode .image
ButtomSleepImage shutdownback.png
ButtomSleepOnLeftClickUp !execute ["$ConfigDir$\iShut\iShut.exe" -h]
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