PicoQuantGmbH MultiHarpSoftwareV.3.1.0.0
3.6. Installation Troubleshooting
AftercompletionofthesoftwaresetupandconnectingtheMultiHarpthedeviceshouldbelistedintheWindows
DeviceManager.Rightclickonthewindowsstartbuttonandselect Device Managertocheckifthedeviceis
freeofconflictsand/orifthedevicedriverisinstalledcorrectly.UnderPicoQuant TCSPC Devices lookfora
devicenamedMultiHarpandinspectitsProperties.
AcommonsourceofproblemsistheshutdownbehaviorofWindows10.Itdoesnotfullyshutdownbydefault
butgoesonlyintoastatesimilartohibernationinordertore-startmorequickly.Whennewhardwareisinstalled
thiscancauseproblems.Ifyoumissedthisduringhardwareinstallation,doitatleastwhenproblemsarise.In
ordertofullyshutdownWindowsholdtheshiftkeywhileclickingtheshutdownbuttonorrunthecommand
shutdown/s/t0 fromthecommandprompt.ItisalsopossibletopermanentlyconfigureWindowsfor
propershutdownviathe“poweroptions”dialog.
IftheMultiHarpdriverisnotinstalledorneedsupdatingyoucaninstallitmanually.Whenpromptedtosearchfor
thedriver,directthedriverwizardtosearchtheCD/DVDor,ifyoudownloadedandunpackedthesetupfilestoa
harddisklocation,directittothatlocation.NotethatWindows7musthavethemostrecentWindowsupdates
appliedinordertoinstallthedriversuccessfully.
IfthingsarenotworkingasexpectedyoucanalsousetheWindowssysteminformationfacilities(Start > Run >
msinfo32). IntheSystemInformationutilityinspect Software environment > System DriverstocheckiftheMulti-
HarpdevicedriverPQCYUSB.SYSiscorrectlyinstalled.
Youcanalsorepeatthesoftwareinstallationifnecessary.Todoso,firstuninstallthesoftwareandrepeatthe
setupprocedure.Makesurethesoftwareisnotinstalledinmultipleplaces.Ifthisdoesnotresolvetheproblem,
tryadifferentcomputer.Ifproblemspersist,seesection7forsupport.
3.7. Uninstalling the Software
BeforeuninstallingtheMultiHarpsoftwareyoushouldbackupallMultiHarpdatafilesyoumighthavecreatedin
theMultiHarpinstallationdirectory.
Donotmanuallydeleteanyprogramfilesfromtheinstallationfolderasthiswillpreventacleanuninstall
process.
TouninstalltheMultiHarpsoftwarefromyourPCyoumayneedadministratorrights(dependingonWindows
versionandsecuritysettings).FromthelistofinstalledapplicationsselectPicoQuant – MultiHarp vx.xforun–
installation.ThiswillremoveallfilesthatwereinstalledbytheMultiHarpsetupprogrambutnottheuserdata
thatmayhavebeenstored.Iftherewasuserdataintheprogramfoldersoranysubfolders,thesewillnotbe
deletedbytheuninstallprogram.Ifintendedyouneedtodeletethesefilesorfoldersmanually.Nevertheless,it
isrecommendedtobackupvaluablemeasurementdatabeforeuninstallingthesoftware.
Notethatuninstallationofthedataacquisitionsoftwaredoesnotuninstallthedevicedriver.Thisisbecause
othersoftwaremaystillneedit.YoucandeletethedriversoftwarefromwithinDeviceManager.
Notealsothatun–installationofthedataacquisitionsoftwaredoesnotautomaticallyuninstallthePQFileInfo
shellextension.Itcanbeun-installedasaseparateitemthroughthestandardWindowsControlPanelmecha-
nisms.
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