Firstrun.exe is part of MicrosoftOffice and developed by Microsoft Corporation according to the Firstrun.exe file information. In certain cases, malicious trackers and scripts can disguise themselves as legitimate files, like Firstrun.exe, leading to glitches, overload and system malfunctions.
In such cases, Firstrun.exe can create unnecessary records and folders in the Windows registry. Check your PC to eliminate possible application conflicts and system failures.
System Information:
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List of the actions Firstrun.exe executes on a user's PC
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2
new registry key created
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters
new registry key created
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\Protocol_Catalog9
new registry key created
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5
new registry key created
%PROGRAMFILES(X64)%\Microsoft Office 15\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE15\msosqm.exe.tmp
new file created
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\%ID-USER-SID%\Products\00005109110000000000000000F01FEC
new registry key created
HKEY_USERS\%ID-USER-SID%_CLASSES\VirtualStore\MACHINE\SOFTWARE\MICROSOFT\Office\15.0\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\%ID-USER-SID%\Products\00005109110000000000000000F01FEC\Usage
new registry key created
%LOCALAPPDATA%\AMD\DxCache\2d4d65b4162801b608bfab0a31632294acd7a55500ba75a8.bin
new file created
%LOCALAPPDATA%\D3DSCache\65b7adc24b3aea43
new catalogue created
%LOCALAPPDATA%\D3DSCache\65b7adc24b3aea43\52264C4C-172F-41B9-91B8-7F0C3B1E9021_VEN_1002&DEV_15D8&SUBSYS_1366&REV_C1.lock
new file created
%LOCALAPPDATA%\D3DSCache\65b7adc24b3aea43\52264C4C-172F-41B9-91B8-7F0C3B1E9021_VEN_1002&DEV_15D8&SUBSYS_1366&REV_C1.idx
new file created
%LOCALAPPDATA%\D3DSCache\65b7adc24b3aea43\52264C4C-172F-41B9-91B8-7F0C3B1E9021_VEN_1002&DEV_15D8&SUBSYS_1366&REV_C1.val
new file created