But the Ibrox boss insists his main concern is ensuring he delivers results by putting a successful team on the park.

Sheriff officers visited Ibrox last month over a £2.8million bill, while reports have claimed almost £3million of the club's cash has since been "ring-fenced" by HMRC.

The £2.8million bill relates to "player compensation schemes" between 1999 and 2003, and was first revealed when the club's interim accounts were published in April, before Craig Whyte took over the club.

Rangers, who are defending themselves against HMRC in another long-running historical dispute, are thought to be willing to pay the full amount but are questioning a fine, which is said to be around £1.4million.

The club today also agreed to settle an outstanding £35,000 legal bill with a Glasgow law firm following a hearing at the Court of Session in Edinburgh.

On the HMRC dispute, McCoist said: "There is obviously a concern. I'm a Rangers fan and anybody involved with Rangers would be concerned.

"But, at the same time, you have to be realistic. HMRC is a problem with the club that we have known about for some considerable time now.

"If there was something I could do about it that would help the club, believe me, I would do it right now.

"But I can't. It's something that's totally outside my control so I can't worry about it and I won't worry about it.

"There is obviously a little bit of a concern but my main concern is that I've got a duty to the supporters and the players to turn out teams to win games of football."

McCoist - who took over at the Ibrox helm when Walter Smith quit at the end of last season - added: "It's not annoying. It's just part and parcel of the job.

"It has been an interesting education in the first couple of months of management. But I won't let anything particularly annoy me.

"There are lots of things you have to do that don't delight you being the Rangers manager but you have to appreciate the fact that the job involves a lot more than picking 11 players to play on a Saturday, there is a lot more to it than that.

"Everything that has been coming our way, we will handle. We won't shirk anything."

McCoist was asked if the club is in better shape and a more stable position now than it was before Whyte's takeover in May.

He said: "I'm not really qualified to answer that question because I don't really know 100% the ins and outs of the finances of the club, in terms of where we are with HMRC and monies owed.

"The one thing I can tell you is, in terms of the squad of players, I'm happy with it.

"We certainly have more numbers than we had towards the end of last season, which will please ourselves and the fans. That has to be a little bit healthier.

"The players last year, with effectively the whole squad being up for transfer, showed an unbelievable unity and an unbelievable spirit.

"There is nobody now telling us that the playing staff are up for sale so it has to be in a better place.

"I'm just delighted to have, by and large, the same squad of players that showed that spirit last year.

"The spirit our players showed last year went a long way to winning the championship and it's a big thing."

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Rangers later hit out over comments made during today's court hearing.

Representatives of the law firm, Levy & McRae, made remarks apparently questioning the club's solvency.

A club statement read: "The remarks in the Court of Session today made by McRae & Levy with regard to their concerns about the club's solvency are unfounded and unwarranted and these are nothing more than scaremongering tactics.

"The club is extremely disappointed and angry that this action was taken when there were categorical assurances from the club's lawyers that the money was on its way and it is regrettable that those assurances were not deemed sufficient."