Slow boot Win10 22H2 (SSD)

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  1. Posts : 915
    windows 10
       #31

    Feedly said:
    Hey @zinou

    Are you able to extract some useful information from the boot trace? My manager wants the computer back, otherwise I wouldn't ask and it would be a pity if I have to re-install all those machines... I'm so curious about the root cause. I'll donate if you find the answer

    Thanks in advance!
    I was too busy the last few days. I briefly saw the boot trace but didn't find any new element!
    I will try to see more in-depth in the trace if I can find something.

    I suspect that this issue have to do with a Microsoft update. Did you tried to remove the recent updates?
      My Computer


  2. Posts : 24
    Win10
    Thread Starter
       #32

    @davexnet
    Like I said 'SOFTWARE is biggest with 750MB'. Other hives are all way under 100MB.
    There isn't any disk activity LED blinking during boot.
    It seems that this has to be the issue, because only slow booting machines have this SOFTWARE hive that big.

    I tried compressing it using this guide, but:
    - with method 1 I get this error message: Cannot export. Error writing the file. There may be a disk or file system error.
    - with method 2 it only shrinks with 1MB or so.

    Is there any other way to compress or clean this bloated file?

    @zinou
    I don't think an update from Microsoft is the issue, because we have dozens of the same machines which all have the latest patches. Only machines with the big SOFTWARE registry hive show this slow boot behaviour.
      My Computer


  3. Posts : 915
    windows 10
       #33

    @zinou
    I don't think an update from Microsoft is the issue, because we have dozens of the same machines which all have the latest patches. Only machines with the big SOFTWARE registry hive show this slow boot behaviour.
    Is there any specific software or programs installed on the machines with that issue that could explain the large size of the software hive?

    - - - Updated - - -

    The procmon trace confirms that the problem is related to the Software hive, as shown in the screenshot:

    Slow boot Win10 22H2 (SSD)-2024-07-05_17h08_55.png

    It takes a long time to access the HKLM\SOFTWARE entries in the registry (~4.6 min)

    I assume that there is software installed on those computers that caused the Software hive inflation.
    @Feedly, you need to check that.

    You can also try using (with caution) CCleaner to clean unnecessary registry entries.
      My Computer


  4. Posts : 24
    Win10
    Thread Starter
       #34

    I think I might have found the culprit.

    At the following location there are literally a ton of registry subkeys: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles
    Look here for a GIF video I made from this.

    I also exported this PnpLockdownFiles and the size of that is 550MB. I think this has to be the issue!?

    All those entry's point to c:\windows\system32\spool\drivers\x64 and seem to be HP related, but there isn't a whole lot present there:
    Slow boot Win10 22H2 (SSD)-hp.png

    Also there are no HP printers and no HP printdrivers present on the system anymore. Running CCleaner multiple times didn't clean this up. Where to go from here..?
      My Computer


  5. Posts : 915
    windows 10
       #35

    From the beginning, it was the HP driver the culprit

    Let's get rid of those bad drivers;
    I suggest you use a tool like driver store explorer to remove these drivers;

    Slow boot Win10 22H2 (SSD)-2024-07-06_18h19_39.png

    Go to the Printers section, find the culprit drivers and delete them.

    Note: create a restore point or make a backup in case.
      My Computer


  6. Posts : 24
    Win10
    Thread Starter
       #36

    zinou said:
    From the beginning, it was the HP driver the culprit

    Let's get rid of those bad drivers;
    I suggest you use a tool like driver store explorer to remove these drivers;

    Slow boot Win10 22H2 (SSD)-2024-07-06_18h19_39.png

    Go to the Printers section, find the culprit drivers and delete them.

    Note: create a restore point or make a backup in case.
    Nothing to see there, since I already removed those.

    I ended up deleting Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles
    Now Windows boots in under 10 seconds (fully logged on)

    Not sure about the consequences, but I see I am not alone: https://community.citrix.com/forums/...downfiles/#_=_
      My Computer


  7. Posts : 915
    windows 10
       #37

    Feedly said:
    Nothing to see there, since I already removed those.

    I ended up deleting Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles
    Now Windows boots in under 10 seconds (fully logged on)

    Not sure about the consequences, but I see I am not alone: https://community.citrix.com/forums/...downfiles/#_=_
    Good news! Well done
      My Computer


  8. Posts : 24
    Win10
    Thread Starter
       #38

    zinou said:
    Good news! Well done
    Please DM me for how I can donate for your help
      My Computer


 

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