If you have root access (For example: iFile or SSH access) then go to etc/apt/sources.list.d and delete all those files and then your device should be fine.
reboot?
Here's How to Fix "Hash Sum Mismatch" Cydia Error ?Step 1: Try to reboot your jailbroken iPhone and restart Cydia (turn off your device through the power button and turn it on again ) then try to download the tweak again if this step doesn't resolve the issue, try Step 2Step 2: Reset your network settings by tapping "Settings" -> General -> Reset ->Reset Network Settings. Also, reboot all your hardwares, including your iOS device, modem, and router. This is to ensure you have better Internet connection.Step 3: Make sure that you have updated your Cydia, Also make sure that all packages are up to date, Launch "Cydia" -> "Changes" -> "Refresh" then update any available update.Step 4: after all the above steps if the error still appears so it's better to uninstall the repo that containing the Cydia tweak then try to install it again.Step 5: iF the error still appears so you should restore your iPhone and install a new CydiaThat's it. Please let us know which step solves your "Hash Sum Mismatch" Cydia error problem.
If It is erased from the 3.53% chance from a Tethered JAILBREAK, it is impossible if you do not have cydia or another download source. -Anthony Zaleski
The best and easiest way to fix error message cwindowssystem32fajeyeyidll is to use a registry cleaner. The corrupted windows registry is the main cause of this problem.
you can't
reformat your computer
Getting the error message is a clear indication that you have entered a text that is not recognized by the browsers. To fix this, edit the text in the address bar and make sure it has similar syntax as standard URLs.
No, Cydia requires jailbreaking and jailbreaking is very dangerous and not recommended. Doing the jailbreaking process wrong could result in Bricking your iDevice meaning that your iDevice won't turn on leaving it useful as a brick.
Actually You Can If You Cant You Need To Fix Your Phone.
you are probably tethered so if you used redsn0w open it on your computer and click extras then hit just boot and follow the directions. If yoused sn0wbreeze, run ibooty on your computer
You do not need to fix this error. This was a temporary failure on the site, but the EShop is now working. This message should be gone.
if your message center is reading change oil turn the key to on position push gas peddle 3 times to floor turn key off and turn back on it should clear message center if its a check engine you need to fix the problem it wont fix itself