Critical Event Logs

hi...i trying critical event logs using powershell v 4.0 using script below -

get-winevent system | where-object leveldisplayname -eq "critical" | out-gridview

i getting error mentioned below 

get-winevent : attempted perform unauthorized operation.
@ line:1 char:1
+ get-winevent system | where-object leveldisplayname -eq "critical" | out-gridvie ...
+ ~~~~~~~~~~~~~~~~~~~
    + categoryinfo          : notspecified: (:) [get-winevent], unauthorizedaccessexception
    + fullyqualifiederrorid : attempted perform unauthorized operation.,microsoft.powershell.commands.getwineventcommand

can give me assistance pls...

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vt

here correct way filter event log:

get-winevent -filterhashtable @{logname='system';level=1} | out-gridview

if have not been granted access event logs ask admins grant permission.

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\_(ツ)_/

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