I have replaced my main office computer in the last two days with a brand new HP (i7). I have restored the image from the old Intel NUC to the HP. Most things have come across from the older machine quite well.
However, Directory Opus will open quickly, then hang looking like it needs to be restarted. After a restart it may or may not hang, usually not. After a reboot it always hangs.
It appears that DO is hanging while folder size is being calculated, and in this instance DO requires the folder sizing to be calculated to completion before it will run. I have not observed this action before, and since one pane of the default lister has about twenty websites in their folders for use by WinNMP local PHP server, calculating the folder sizes takes a while - even though the parent folder for websites is on the D (internal) drive. When that parent folder is replaced in the default lister by a much smaller folder, DO opens 'in a flash'!
An alternative expression of this behaviour is that clicking on the "Could not connect all network drives" notification, DO took at least 90 seconds to display "This PC". In fact, I had decided to close DO, and had clicked in a pane, when it appeared to crash, but instantly recovered and showed the lister. Was it stuck? Did my mouse action unstick it? Can't say. After DO had loaded the 'This PC' window, it recalled it, I suppose from a cache, with blinding speed.
I now check on my laptop for field work, and I see the behaviour I am used to seeing - namely that I can open folders and files while DO is continuing to calculate folder sizes. On the laptop, the website parent folder is on a USB stick, so is somewhat slower than when using an internal drive - but it still allows me to open folders and files while it continues calculating folder sizes.
So the issue is that, after relocation to new hardware, DO opens very snappily, but is unreasonably slow in becoming available, and in a way it never has in any other of our installations.
The system is Win 10 Pro 1903, 16Gb of ram, and 512Gb SSD, partitioned approximately equally into C and D drives.
To try to resolve this issue, I have:
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Re-installed DO (V12.17) over the existing installation (same version) - no improvement
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Used I-OBit uninstaller to uninstall the program, but leave the associated files, reboot and reinstall - no improvement
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Used I-OBit uninstaller to uninstall the program completely, reboot then re-install, apply the licence, and restore the configuration - some improvement
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Done a repair install of Windows (with comprehensive update checking), but DO remains virtually useless in an office because it opens quickly then hangs for an unreasonably long time - typically up to a minute.
Can I please get help to explain/resolve this unusual and disappointing behaviour?