Error Message - Cannot write to Drive C:
Suddenly, when I go to perform a backup I received the error message: Cannot Write to Drive C: . This is followed by a separate message: File Not Backed Up! This problem started up about a week ago and I cannot figure out why. No new software, no major updates from Microsoft. I back up to both to my SSD C: drive and an external San Disc Card. Has worked flawlessly in the past but not now.
Have uninstalled Quicken, re-downloaded and re-installed after running the QCleanUI.EXE and unfortunately it did not help the situation. Checked to be sure that the newly installed Quicken Version is the latest and it is. Still receiving the above noted messages.
Anyone else having the same problem? If yes, does anyone have a solution to the situation?
Thanks
Have uninstalled Quicken, re-downloaded and re-installed after running the QCleanUI.EXE and unfortunately it did not help the situation. Checked to be sure that the newly installed Quicken Version is the latest and it is. Still receiving the above noted messages.
Anyone else having the same problem? If yes, does anyone have a solution to the situation?
Thanks
0
Best Answer
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I have this same problem and finally found something that worked. This suggestion was on a different forum.
Windows Security Defender Ransomware Protection was blocking Quicken from backing up the file. I went into "Allow an app through Controlled folder access" and added Quicken.
Now it backs up without the error.5
This discussion has been closed.

Answers
Is this different than where the Quicken data files are stored ?
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Just updated Quicken and was able to manually back up to my three locations. First time in two weeks.
Manual Back Up Path:C:\Users\bobcx\Documents\Quicken Backup A
Has anyone had the same or similar problem?
MS OneDrive is not installed. No other cloud based storage installed.
Permission settings for the back up paths checked and are all good.
Just went through the Quicken update and, post update & restart, I still receive the same error messages when I attempt a backup.
then you're saying that the same function (and screen) when triggered by the "countdown" is when the error happens ?
The only other subtle thing, is the use of "spaces" in both the path and the file name.
It would be interesting just to try it, with no spaces in either....
Also, unrelated - I would add the checkmark for the "date" to be added to the filename.
The spaces have been in the file names since the earth cooled - so, I don't see that as a problem (I have been using Quicken since it first came on the market years ago). Don't use the auto date feature as Windows 10 date and time stamps each backup when created.
To overcome the problem I have had to resort to copying the Qdata.qdf file and then pasting it into each of my Quicken backup locations. Actually works out to be a faster process than Quicken backup.
What are their path names - and what's different - something has to be different -
Do not require the date added feature.
Premier on Windows 10
For example, QData.QDF and QData.QDF-Backup
Premier on Windows 10