Activation problems

"License key not found"

The server matches your key exactly, so this is nearly always a typing slip.

• Paste the key from your purchase email instead of typing it. The app fixes case and hyphens for you.
• Keys never contain I, O, 0, or 1. If you see one, it's a misread character.
• Use the Email Login tab instead — it sends a code to the email you bought with.
• Look up your key on your account page.

If it still fails, the license may have been refunded or transferred. Email support@solidaccounting.com.

Too many computers

Each license can be active on as many computers as its user count: Standard 3, Professional 5, Accountant 10, plus any added users. To free one:

• On the old computer: Settings → License & Updates → Deactivate.
• If the old computer is gone: sign in at solidaccounting.com/account, find it in the machine list, and click Deactivate. The server doesn't need to reach the dead computer.

Works on one computer, fails on another

The usual cause is a firewall or proxy blocking license.solidaccounting.com. Allow that address or try another network. After activation the app checks your license about once a week and needs a successful check within about five weeks, so the address must stay reachable at least occasionally. Air-gapped computers aren't supported.

"License claim invalid" or "does not match this device"

The app checks a signed record of your license on every start. If that record was edited, damaged, or copied from another computer, the check fails.

1. Open Settings → License & Updates and click Re-validate.
2. If that doesn't fix it, click Deactivate, then activate again with your key.
3. If you're on an old build, update with Help → Check for Updates....

Still stuck? Email support with the Machine ID shown in Settings → License & Updates (not your license key), or use Help → Send Diagnostic to Support....

Trial ended, or the license stopped working

You get a reminder before a trial, a license or Updates & Cloud Services ends. When the 30-day free trial ends, the app asks for a license — enter a key to keep going.

You're never locked out of your books. When the trial has ended, the license no longer works on this computer, or you've installed a version newer than your license covers, the same screen has a Your data section: click Open Company File…, sign in, then Export a Copy… to save the whole company file.

If a license check fails after the term, Settings → License & Updates shows the days left in the 30-day grace period. When the grace period is over, licensed features pause, but company files still open, back up and export as usual.

"This license has been revoked"

A revoked license switches the app's features off on this computer. Open your company file and export a copy from that screen, and contact support@solidaccounting.com. If the license is reinstated, the app picks it up on its own.