[Equest-users] FW: eQuest Error on Opening - Invalid Previous Run Date

[Melissa Crowe]

For those who asked for help.  I tried most of the actions below and it did not work for me but perhaps…….

Melissa Crowe, LEED AP, BEMP
VP, Senior Mechanical Engineer
Oakwell
Phone: 978-204-2559
Email: Melissa.Crowe at oakwellteam.com<mailto:Melissa.Crowe at oakwellteam.com>
www.oakwellteam.com<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.oakwellteam.com_&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=H-N7RzYOchCli6xv70Ckr3eCssZLBe1a9sUxLbBEulo&m=yDSCSbRuLk3LBQEdF2AgzVR7PoKV--SMthczZznXG3J0a4y1ekolmT5Y6ZnHtGQF&s=N66ak3PHyJc85jfNbBc_6Vj3oaa85I3xnYl6NsUaC6o&e=>
[cid:ii_19b2d27d0265b16b22]



From: Mohammad Rzv. <moh.rzv at gmail.com>
Sent: Wednesday, December 17, 2025 11:44 AM
To: Melissa Crowe <melissa.crowe at oakwellteam.com>
Subject: Re: [Equest-users] eQuest Error on Opening - Invalid Previous Run Date

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Hi Melissa,

It sounds like there might be an issue with your registry values. Here are a few quick things to check:

1. Try running eQuest as an Administrator.
2. Check your system date/clock and ensure it is synchronized online.
3. Confirm you are not double-clicking too quickly, which can sometimes open two instances of eQuest simultaneously.

If the problem persists, please try the following:

1. Press Win+R, type regedit, and press Enter.
2. Navigate to: HKEY_CURRENT_USER\Software\DOE\eQuest (or possibly HKEY_LOCAL_MACHINE\Software\WOW6432Node\DOE\eQuest, depending on your version).
3. Delete the entire eQuest folder.
4. Close the Registry Editor and run eQuest as an Administrator again.

If none of the above steps resolve the issue, try a clean reinstall:

1. Uninstall eQuest.
2. Manually delete the following folders:
- C:\Program Files (x86)\eQuest
- C:\Users\[YourUsername]\AppData\Roaming\DOE
3. Delete the registry keys noted above.
4. Reinstall eQuest and run it as an Administrator the first time.

I have not had this issue before but I hope these solutions help.

Best,
Mohammad

On Wed, Dec 17, 2025 at 9:24 AM Melissa Crowe via Equest-users <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>> wrote:

Hi All



I am having issues with eQuest I haven’t seen in all of my 15 years of eQuest.



After the first time it happened I uninstalled, reinstalled and it worked 1st time but on closing eQuest and opening it back up again I get this message



Anyone have a fix for this?

[cid:ii_19b2d27d0264cff311]

Thank you!!!!!!

Melissa Crowe, LEED AP, BEMP
VP, Senior Mechanical Engineer
Oakwell
Phone: 978-204-2559
Email: Melissa.Crowe at oakwellteam.com<mailto:Melissa.Crowe at oakwellteam.com>
www.oakwellteam.com<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.oakwellteam.com_&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=H-N7RzYOchCli6xv70Ckr3eCssZLBe1a9sUxLbBEulo&m=yDSCSbRuLk3LBQEdF2AgzVR7PoKV--SMthczZznXG3J0a4y1ekolmT5Y6ZnHtGQF&s=N66ak3PHyJc85jfNbBc_6Vj3oaa85I3xnYl6NsUaC6o&e=>
[cid:ii_19b2d27d0265b16b22]

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Kind regards,
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